As song-writing became dominated by European-trained composers, Lu Ch'uan-shengdiscovered a new career in the world of children's music by founding the Rong Shing Choir.
「入團測驗時，我們只考兩樣，唱 DoRe Mi Fa So La Si Do 七聲階，及一首兒歌﹘ ﹘妹妹背著洋娃娃」，呂泉生進一步說明。呂泉生「擇人」的條件，似乎頗能符合音樂教育理論，但這樣訓練出來的孩子到底又有何特色？