When record companies were founded one after another in the early Showa period, there emerged many singers who were on each record label, such as Tamaki TOKUYAMA, Chiyako SATO, Ichiro FUJIYAMA and noriko AWAYA.
昭和初期、レコード会社が次々にでき、それぞれの会社所属の歌手が名乗りをあげたとき、徳山璉、佐藤千夜子、藤山一郎、淡谷のり子などの歌手がいた。