▁rugby ▁union ▁players ▁Category : Sp ain ▁international ▁women ' s ▁rugby ▁se vens ▁players ▁Category : O lymp ic ▁rugby ▁se vens ▁players ▁of ▁Spain ▁Category : R ugby ▁se vens ▁players ▁at ▁the ▁ 2 0 1 6 ▁Summer ▁Olympics <0x0A> </s> ▁" R ock ▁and ▁Roll ▁L ull aby " ▁is ▁a ▁song ▁written ▁by ▁Barry ▁Mann ▁and ▁C yn th ia ▁We il ▁that ▁was ▁a ▁ 1 9 7 2 ▁hit ▁single ▁performed ▁by ▁B . ▁J . ▁Thomas . ▁" R ock ▁and ▁Roll ▁L ull aby " ▁reached ▁number ▁ 1 5 ▁on ▁the ▁Billboard ▁Hot ▁ 1 0 0 ▁and ▁was ▁Thomas ' s ▁third ▁number ▁one ▁on ▁the ▁E asy ▁List ening ▁chart , ▁where ▁it ▁spent ▁one ▁week ▁in ▁March ▁ 1 9 7 2 . ▁The ▁song ▁was ▁a ▁sm ash - hit ▁in ▁Brazil , ▁because ▁of ▁its ▁appearance ▁as ▁love ▁theme ▁in ▁the ▁soap ▁opera ▁Sel va ▁de ▁Ped ra . ▁ ▁Content ▁The ▁song ▁is ▁s ung ▁in ▁a ▁first - person ▁narr ative ▁of ▁an ▁ad oles cent ▁or ▁adult ▁raised ▁by ▁single ▁te en age ▁mother ▁since ▁birth ▁during ▁the ▁early ▁years ▁of ▁rock - and - roll . ▁ ▁Despite ▁the ▁ble ak ness ▁of ▁their ▁situation , ▁whenever ▁the ▁child ▁c ries , ▁the ▁mother ▁s ings ▁him ▁to ▁sleep ▁with ▁a ▁' sha - na - na - na - na - na - na , ▁it ' ll ▁be ▁all ▁right ... sha