▁October ▁ 1 9 4 1 . ▁ ▁See ▁also ▁List ▁of ▁cart rid ges ▁by ▁cal iber ▁List ▁of ▁rif le ▁cart rid ges ▁Table ▁of ▁hand gun ▁and ▁rif le ▁cart rid ges ▁Win chester ▁Model ▁ 1 9 0 5 ▁Win chester ▁Model ▁ 1 9 0 7 ▁. 3 5 ▁Win chester ▁Self - Loading ▁ 8 ▁mm ▁cal iber ▁ ▁References ▁ ▁Category : P istol ▁and ▁rif le ▁cart rid ges ▁Category : Win chester ▁Re pe ating ▁Ar ms ▁Company ▁cart rid ges <0x0A> </s> ▁Kay ▁Ky ser ' s ▁Kol lege ▁of ▁Musical ▁Know ledge ▁is ▁an ▁American ▁old - time ▁radio ▁musical ▁qu iz ▁program . ▁It ▁was ▁broadcast ▁on ▁Mut ual , ▁N BC , ▁and ▁ABC ▁beginning ▁on ▁February ▁ 1 , ▁ 1 9 3 8 , ▁and ▁ending ▁on ▁July ▁ 2 9 , ▁ 1 9 4 9 . ▁ ▁Background ▁In ▁the ▁latter ▁half ▁of ▁the ▁ 1 9 3 0 s , ▁leaders ▁of ▁big ▁bands ▁sought ▁ways ▁to ▁differenti ate ▁their ▁groups ▁from ▁others ▁who ▁played ▁similar ▁music . ▁Success ful ▁variations ▁on ▁the ▁standard ▁format ▁of ▁just ▁playing ▁one ▁song ▁after ▁another ▁could ▁quickly ▁move ▁bands ▁from ▁" be ing ▁merely ▁late - hour ▁fill ers " ▁without ▁spons ors ▁to ▁having ▁spons ored ▁broadcast s ▁in ▁better ▁time ▁sl ots . ▁Tommy ▁Dor sey ▁began ▁featuring ▁amateur ▁mus icians , ▁Ben ny ▁Good man ▁moved ▁his ▁tri o ▁and ▁ ▁quart et ▁into ▁the