 second City Center revival of Carousel, this time in the role of Julie Jordan, and won a Tony Award for creating the role of Marian the Librarian in Meredith Willson's 1957 hit The Music Man. Cook continued to appear regularly on television in the late 1950s, starring in a 1956 Producers' Showcase production of Bloomer Girl, a 1957 live broadcast of The Yeomen of the Guard, and a 1958 musical adaptation of Hansel and Gretel. In 1972, Cook returned to the dramatic stage in the Repertory Theater of Lincoln Center's production of Maxim Gorky's Enemies.

1970s to 2004
As she began struggling with depression, obesity, and alcoholism in the Seventies (she eventually quit drinking in 1977), Cook had trouble getting stage work.  In the mid-1970s Cook's fortunes changed for the better when she met and befriended composer and pianist Wally Harper. Harper convinced her to put together a concert and on January 26, 1975, accompanied by Harper, she made her debut in a legendary solo concert at Carnegie Hall that resulted in a highly successful live album. Continuing a collaboration with Harper that lasted until his death in 2004, Cook became a successful concert performer. Over the next three decades, the two performed together at not only many of the best cabaret spots and music halls like Michael's Pub and the St. Regis Hotel in New York City but nationally and internationally. Cook and Harper returned to Carnegie Hall in September 1980, to perform a series of songs arranged by Harper. The New York Times reviewer, John S. Wilson, wrote: "Since her first Carnegie Hall appearance, she has grown from a delightful singer to become a delightful entertainer who also happens to be a remarkable singer." The performance was captured on the CD It's Better With a Band.

In 1998, Cook was nominated for an Olivier Award "The Observer Award for Outstanding Achievement" for her one-woman show, accompanied by Harper, at London's Donmar Warehouse and the Albery Theatre. She won the Drama Desk Award "Outstanding One Person Show" in 1987 for her Broadway show A Concert for the Theatre, again with Harper. In October 1991, they appeared as featured artists at the Carnegie Hall Gala Music and Remembrance: A Celebration of Great Musical Partnerships which raised money for the advancement of the performing arts and for AIDS research. In 1994, they performed a critically acclaimed concert series at the Sadler
second City Center revival of Carousel, this time in the role of Julie Jordan, and won a Tony Award for creating the function of Marian the Librarian in Meredith Willson's 1957 stumble The Music Man. Cook continued to appear regularly on television in the former 1950s, starring in a 1956 Producers' Showcase output of Bloomer Girl, a 1957 alive broadcast of The Yeomen of the Guard, and a 1958 musical adaptation of Hansel and Gretel. In 1972, Cook come back to the dramatic stage in the Repertory Theater of Lincoln Center's production of Maxim Gorky's Enemies. 

 seventies to 2004 
 As she began struggling with depression, obesity, and dipsomania in the Seventies (she eventually quit drink in 1977), Cook had fuss get stage work.   In the mid-1970s Cook's fortunes switch for the better when she met and befriended composer and pianist Wally Harper. Harper convinced her to frame together a concert and on January 26, 1975, accompanied by Harper, she made her debut in a legendary solo concert at Carnegie Hall that result in a highly successful live album. Continuing a collaboration with Harper that lasted until his death in 2004, Cook became a successful concert performer. Over the next three decades, the two performed together at not only many of the best cabaret spots and music halls like Michael's Pub and the St. Regis Hotel in New York City but nationally and internationally. Cook and Harper returned to Carnegie Hall in September 1980, to perform a series of songs arrange by Harper. The New York Times reviewer, John S. Wilson, wrote: " Since her beginning Carnegie Hall appearance, she has grow from a delightful singer to become a delightful entertainer who also happens to be a remarkable singer. " The operation was captured on the CD It's good With a Band. 

 In 1998, Cook was nominated for an Olivier Award " The Observer Award for Outstanding Achievement " for her one - woman display, accompanied by Harper, at London's Donmar Warehouse and the Albery Theatre. She won the Drama Desk Award " Outstanding One Person Show " in 1987 for her Broadway show A Concert for the Theatre, again with Harper. In October 1991, they appeared as featured artists at the Carnegie Hall Gala Music and Remembrance: A Celebration of capital Musical Partnerships which raised money for the advancement of the performing art and for AIDS inquiry. In 1994, they perform a critically acclaimed concert series at the Sadler
 sefond City Center revival of Carousel, thnw time in ths role ow Julie Jordan, and won a Tonb Awqrd fir creating the role ow Marian nhe Libraeian un Merediti Willsok'f 1957 hjb The Nusic Man. Cook continued to appear regglxrpy on television in the late 1950s, starwing in a 1956 Producers' Shjwcaxq prkduction of Bloomer Girl, a 1957 live bdoadcasu of The Yeomen of the Guard, and a 1958 musical wdaphation of Hansel ajd Gretel. Ib 1972, Cjik returned go the dramatic stage jn the Repertory Theater of Linzoln Eenter's proeuxtilt of Maxim Jorky's Enemies.

1970s to 2004
As she tegan syruggling with de'reswion, obesity, and alcoiolism in the Seventyes (she eeeutually quit drinking ib 1977), Comk hdd tfiubue fevtihg stahe xork.  In ths mid-1970s Cook'w fortunes changed gow the better wgen shq iet and befriended composer and pianist Wamly Harper. Harper convibced her to put togetjer a consert and on January 26, 1975, accompanied by Harper, she mdde hxr deymb in q pegendary solo concert at Carnegie Hall that wssilned in a highly smccessful live albim. Cpgtinuing a coulaborcfikn with Harper thah lasteq untul his dewth on 2004, Cook became a successfuo concert pegforner. Over the next chree decader, thg two lerformed together at nut ohly many of the best zabaret spots ana mlsic halls like Michael's Pub agd the St. Regns Hotel in Mew Yowk City buh natlmnally and internahionaplf. Cook and Harper returned to Carnegie Hall in Septembet 1980, do ierform a serics of songs arrwnged by Harpet. The New York Times revpewer, Johi S. Wilson, wwote: "Since hes first Carnejie Hall wppeqranxe, she fxs grown from s delightybl singer to become a deligmtful sntertainer who alwo happens to br a reiagkaule sytger." The perxormxncd was zaptured on ghe VD It's Better With a Bans.

In 1998, Cook was nomimabed for ab Oliview Award "The Onserver Award for Lutstending Achirveient" for her one-woman show, acckmpanied hy Marper, at Lonqon's Donmar Warekouse and the Albery Theatre. She won the Drama Desk Award "Iutstanding One Perxpn Show" in 1987 for rer Broadfay show A Concert fir the Theatre, agsin with Harper. In Ocfober 1991, they appeared as featured artists at the Carnegie Hall Gala Music and Remembrqnce: A Celebration of Breat Mbsieal Parenerdiips which raised money for the advancement of tie performhny arts and for AIDS research. On 1994, they perforoed a critically acclaimsd concett series at the Sadler
second City Center revival of Carousel, this the of Julie and won a role Marian the Librarian Meredith Willson's 1957 The Music Man. Cook continued to regularly on television in the late 1950s, starring in a 1956 Producers' Showcase of Bloomer Girl, a 1957 live broadcast of The Yeomen of the Guard, a musical of and Gretel. In 1972, Cook returned to the dramatic stage in the Repertory Theater of Lincoln production of Maxim Gorky's Enemies. 1970s to 2004 she began struggling with obesity, and alcoholism in the (she quit drinking 1977), had getting stage work. the mid-1970s Cook's fortunes changed for the better when she met and befriended composer and pianist Wally Harper convinced put together concert on 26, 1975, accompanied she made her debut in a at Carnegie Hall that resulted in a highly live album. a collaboration with Harper that lasted his death in 2004, Cook became a successful performer. Over the next three decades, the two performed together at not only many of cabaret spots and music like Michael's Pub the Regis in York City nationally and internationally. Cook and Harper returned to Carnegie Hall in 1980, to perform a series of songs arranged by Harper. York reviewer, John S. wrote: "Since her first Hall she has grown from singer become who happens be a remarkable singer." performance was captured on the It's Better With a nominated for an Olivier Award "The Observer Award Outstanding Achievement" for her one-woman show, accompanied Harper, at London's Donmar Warehouse and the Albery Theatre. She won the Desk Award Person Show" in 1987 for her Broadway show Concert for the Theatre, with Harper. In October 1991, they appeared as featured at Carnegie Hall Music and Remembrance: Celebration of Great Partnerships which raised the advancement the arts research. In 1994, they performed a acclaimed series at the Sadler
 second City Center revival of carousel, thIs timE in The RoLe of juliE Jordan, and won a tOny AWard for creating the role Of MarIaN The LIBrArian In MeredITh wILlsOn'S 1957 hIt THe mUsIc Man. cooK continUed to appeaR reGuLarly on televISiOn in the latE 1950s, sTarring in a 1956 PrOduCers' ShOwCasE ProduCtiOn of BLoomer gIrl, a 1957 liVe broadcaSt OF The YeOMen of thE gUaRd, anD a 1958 musical adaptatiON oF hansel and GreteL. In 1972, CooK rETuRNEd tO thE dramatic sTaGe in tHE RepertORy tHEAteR Of Lincoln CentEr's productiON of maxim GOrKy's eNemies.

1970S to 2004
As ShE BegAn strugglinG witH depressiOn, obesITy, and alCOholism In the SEveNtiEs (shE EvEnTuaLlY QuiT DrInkINg iN 1977), Cook had TrOuBle geTtinG STAGe woRk.  IN the Mid-1970s COok's fortunes cHanGed fOR thE bettEr wheN she MeT and bEfrienDed coMpOser and pianist WAlly harper. HarPer CoNviNcEd her TO put toGetHer A concerT and on JANuaRy 26, 1975, ACCOmPanied by Harper, she mAdE HEr Debut in a LegendARy SoLO concert At carNegiE hAll thAt reSUlTed in a hiGhly suCCeSsFul live AlBum. ConTiNuiNg a CollaBOratIon witH Harper tHat laSTed until his deaTH in 2004, Cook became A SuCCEsSFul cOncErt performeR. OveR The nExt tHReE deCAdes, tHe two PeRFoRMed together at not onlY mAny of tHe besT cabaret spots And music haLLS Like MichAel's pUb ANd the St. Regis HoTel in new York CitY But natioNally And interNationallY. cOok and HaRpeR reTurNed TO caRnegie Hall in SEPTembEr 1980, To perfoRm a Series oF soNgs ArrAngEd By Harper. THe New YorK TImEs ReVieWer, JoHN S. Wilson, WrOte: "siNce Her fiRSt CarnEgie HAll aPpEaRAncE, she has GRoWN From A dElIghtFul SiNger tO becOMe a DelightFul entertAinER who AlSo Happens To be a remarkabLe Singer." The pErForMance wAS Captured On the CD It's Better With a BaND.

In 1998, Cook Was NominAted For an OlivIer award "THe OBServer award fOr OutStAndING AchiEVEmEnt" FoR her one-womAN ShoW, accoMpAnieD by HarpEr, at London's Donmar WARehOuse and the AlbEry theaTRE. SHe wON tHE DrAmA desK aWard "Outstanding one Person SHoW" In 1987 For her BroaDWay ShOw A ConcErt for tHe TheATre, agaiN with HarpEr. In OctobEr 1991, They APPeaRed as featuRed artisTs at the CaRNegie hAlL Gala musIc and REmEmbRance: a CelebRAtiOn of GReat MuSiCal ParTnersHiPs which rAised money for the advanceMent of The peRfoRming arts And FOr AiDS researCh. In 1994, They perforMed A crIticaLly ACclaiMed cONcErt SEries At thE sadler
 second City Center reviva l of Carou sel,thi s t im e in  the  role of Julie Jord an, and won a Tony Awa rd fo rc reat i ng  therole of Ma r i anth eLib ra r ia n inMer edith W illson's 1 957  h it The Music Ma n. Cook co nti nued to appe arregula rl y o n  tele vis ion i n thel ate 19 50s, star ri n g in a 1956 Pr o d uc ers'  Showcase product i on of Bloomer Gir l, a 1 95 7  l i v e b roa dcast of T he  Yeom e n of th e  G u a r d,a nd a 1958 mus ical adapta t ion  of Ha ns ela nd Gre tel.In 197 2, Cook ret urne d to thedramat i c stage in theRepert ory  Th eate r  o fLin co l n C e nt er' s  pr oduction  o fMaxim  Gor k y ' s  Ene mie s.
1970s  to 2004
As s hebega n  st ruggl ing w ithde press ion, o besit y,  and alcoholism  inthe Seven tie s(sh eevent u ally q uit  dr inkingin 1977 ) , C oo k h ad  trouble getting s ta g e  w ork.  In  the m i d- 19 7 0s Cook' sfor tune s chang ed f o rthe bett er whe n  s he  met an dbefrie nd edcom poser andpianis t WallyHarpe r . Harper convi n ced her to pu t  t o g et h er a  co ncert and o n Ja n uary  26, 19 75, accom panie db yH arper, she made her  d ebut i n a l egendary solo  concert a t C arnegieHall th a t resulted ina hig hly succes s ful live  albu m. Conti nuing a c o l laborati onwit h H arp e r  t hat lasted un t i l hi sdeath i n 2 004, Co okbec ame  asu ccessfulconcertpe rf or me r.Overt he nextth ree  d eca des,t he two  perf orme dto g eth er at n o to n ly m an yof t hebe st ca bare t  sp ots and  music ha lls like  M ic hael'sPub and the S t.  Regis Hot el  in  New Y o r k City b ut nationally and inter n ational ly.  Cook  and  Harper r etu rned t o C a rnegie  Hallin Se pt emb e r  1980 , to  pe rf orm a seri e s  of  song sarra nged by  Harper. The New Y o rkTimes reviewe r,John S .Wil s on ,  wr ot e : " S i nce her first C arnegie Ha ll ap pearance,s heha s grown  from a  deli g htful s inger tobecome ade ligh t f ulentertaine r who al so happen s  to b e  a  rema rka ble si ng er. " The  perfo r man ce wa s capt ur ed onthe C DIt's Bet ter With a Band.

In 19 98, Co ok wa s n ominatedfor anOlivier A ward  "The Obse rve r A wardfor Outst andi n gAch i eveme nt"f or her on e -w oma n sh ow, accompa n i e d b y Har per ,  at Lo ndon 's Donmar Warehou s e and the Albe ry T h e atr e.S he w on  the Drama Des k A wa r d  "Outsta nd ing One Per son Show "i n 198 7 forher Br oadways h ow A Conc ertfor  the Thea tre ,a gain wi th  H a rper.In O ct ober 1 991, t h ey a p p eared as feature d art i s ts at the  Carn eg ie Hall Gala  Music and  Remembranc e: A C eleb ratio n of Gr ea t Musi cal  P artnership s  which ra isedmoney f or  the  ad vancem ento f  theperf or min g arts an d fo r  A ID S  re sear ch. I n1994 , they pe r formed a  cr i tically  a ccl a i med co n ce r t  series at  th e Sad l e r
 second_City Center_revival of Carousel, this_time in_the_role of_Julie_Jordan, and won_a Tony Award_for creating the role_of Marian the_Librarian_in Meredith Willson's 1957 hit The Music Man. Cook continued to appear regularly on_television_in the_late_1950s,_starring in a 1956 Producers'_Showcase production of Bloomer Girl,_a 1957_live broadcast of The Yeomen of the Guard,_and_a 1958 musical_adaptation of Hansel and Gretel. In 1972, Cook returned_to the dramatic stage in the_Repertory Theater of_Lincoln_Center's_production of Maxim Gorky's_Enemies.

1970s to 2004
As she began struggling_with depression, obesity, and alcoholism in_the Seventies (she eventually quit drinking in_1977), Cook had trouble getting stage_work.  In the mid-1970s_Cook's fortunes_changed for the better when_she met and_befriended composer_and pianist Wally_Harper. Harper convinced her to put_together a concert_and on January 26, 1975, accompanied_by_Harper, she made_her_debut_in a_legendary solo concert_at_Carnegie Hall_that_resulted in a highly successful live_album._Continuing a collaboration with Harper that lasted_until his death in_2004,_Cook became a successful_concert performer. Over the next_three decades, the two performed together_at not_only many_of the best cabaret spots and music halls like Michael's Pub_and the St. Regis Hotel in_New York City but_nationally and_internationally._Cook and Harper_returned_to Carnegie_Hall in September 1980, to perform a_series of_songs arranged by Harper. The New_York Times reviewer, John_S._Wilson, wrote: "Since her first Carnegie_Hall appearance, she has grown from_a delightful singer to become_a_delightful_entertainer who also happens to_be a remarkable singer." The performance_was captured on_the CD It's Better With a Band.

In_1998,_Cook was nominated for an Olivier_Award_"The Observer Award for Outstanding Achievement"_for_her_one-woman show, accompanied by Harper,_at London's Donmar Warehouse and the_Albery Theatre. She won the Drama Desk Award "Outstanding_One Person Show"_in 1987 for her Broadway_show_A_Concert for the Theatre, again with Harper. In October 1991,_they appeared_as featured artists_at the Carnegie Hall Gala Music and Remembrance: A Celebration_of Great Musical Partnerships which raised money_for the advancement of the performing arts and for AIDS research._In 1994, they performed a critically acclaimed concert_series at the Sadler