2 0 1 1 . ▁ ▁References ▁ ▁Category : Pe ople ' s ▁Republic ▁of ▁China ▁compos ers ▁Category : L iving ▁people ▁Category : Ch inese ▁male ▁classical ▁compos ers ▁Category : Ch inese ▁opera ▁compos ers ▁Category : Mus icians ▁from ▁X i ' an ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : Place ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : M ale ▁classical ▁compos ers ▁Category : M ale ▁opera ▁compos ers <0x0A> </s> ▁B ub bling ▁Under ▁Hot ▁ 1 0 0 ▁Singles ▁( also ▁known ▁as ▁B ub bling ▁Under ▁the ▁Hot ▁ 1 0 0 ) ▁is ▁a ▁chart ▁published ▁week ly ▁by ▁Billboard ▁magazine ▁in ▁the ▁United ▁States . ▁The ▁chart ▁lists ▁the ▁top ▁songs ▁that ▁have ▁not ▁yet ▁chart ed ▁on ▁the ▁main ▁Billboard ▁Hot ▁ 1 0 0 . ▁Chart ▁rank ings ▁are ▁based ▁on ▁radio ▁air play , ▁sales , ▁and ▁streams . ▁In ▁its ▁initial ▁years , ▁the ▁chart ▁listed ▁ 1 5 ▁positions , ▁but ▁expanded ▁to ▁as ▁many ▁as ▁ 3 6 ▁during ▁the ▁ 1 9 6 0 s , ▁particularly ▁during ▁years ▁when ▁over ▁ 7 0 0 ▁singles ▁made ▁the ▁Billboard ▁Hot ▁ 1 0 0 ▁chart . ▁From ▁ 1 9 7 4 ▁to ▁ 1 9 8 5 , ▁the ▁chart ▁consisted ▁of ▁ 1 0 ▁positions ; ▁since ▁ 1 9 9 2 , ▁the ▁B ub bling ▁Under ▁Hot ▁ 1 0 0 ▁Singles