▁their ▁start . ▁ ▁Most , ▁including ▁future ▁Ton ight ▁Show ▁host ▁Jay ▁L eno , ▁began ▁by ▁performing ▁between ▁sets ▁of ▁musical ▁acts ▁at ▁the ▁" D ing ", ▁as ▁it ▁was ▁known ▁to ▁loc als . ▁L eno ' s ▁first ▁stage ▁appearance ▁took ▁place ▁there ▁between ▁sets ▁of ▁J T ' s ▁M ardi ▁Gr as ▁Band ▁and ▁the ▁La wn ch air ▁Lad ies . ▁▁ 2 1 st ▁century ▁▁ ▁In man ▁Square ▁is ▁a ▁cult ur ally ▁diverse ▁neighborhood , ▁home ▁to ▁profession als , ▁working ▁people , ▁and ▁students ▁and ▁profess ors ▁from ▁neighbor ing ▁M IT ▁and ▁Harvard . ▁In man ▁Square ▁also ▁has ▁strong ▁Brazil ian ▁and ▁Portuguese ▁influ ences , ▁as ▁can ▁be ▁seen ▁in ▁the ▁store front s ▁l ining ▁Cambridge ▁Street , ▁especially ▁to ▁the ▁east ▁of ▁Pro spect ▁Street . ▁ ▁Boston ' s ▁oldest ▁continu ously ▁operating ▁impro vis ational ▁the ater ▁tr oupe , ▁Im prov B oston , ▁moved ▁in ▁ 2 0 0 8 ▁from ▁its ▁long time ▁home ▁in ▁In man ▁Square ▁to ▁Pro spect ▁Street ▁in ▁nearby ▁Central ▁Square . ▁Im prov B oston ▁al umn i ▁include ▁Wait ▁Wait ... ▁Don ' t ▁Tell ▁Me ! ▁panel ist ▁Adam ▁Fel ber . ▁ ▁In man ▁Square ▁was ▁also ▁home ▁to ▁the ▁Center ▁for ▁New ▁W ords ▁( origin ally ▁the ▁New ▁W ords ▁Book store ), ▁one ▁of ▁the ▁oldest ▁and ▁longest - running ▁women ' s ▁book st ores ▁in ▁the ▁country