The Toys got them work doing background vocals for several recording artists. At a talent show in Brooklyn they met Eddy Chase, who in turn introduced them to manager Vince Marc and songwriter/recording executive Bob Crewe. The group became the Toys, and landed their first recording contract on Crewe's DynoVoice Records. Marc introduced them to songwriters Sandy Linzer and Denny Randell. Linzer and Randell wrote most of the songs they recorded. They took a piano piece from a Bach exercise book ("Minuet in G major" by Christian Petzold), put a Motown bassline to it, and "A Lover's Concerto" was born; the song
Switched-On Bach Invention in F major by Johann Sebastian Bach, which Carlos described as "charming". Soon after, Carlos began plans to produce an album of Bach pieces performed on a synthesizer, with the intention of using the novel technology to make "appealing music you could really listen to", not "ugly" music being produced by avant-garde musicians at the time. Elkind was impressed with the recording of Brandenburg Concerto No. 3 in G major and became the album's producer. Elkind contacted her friend, producer and conductor Ettore Stratta at Columbia Records, who "generously spread his enthusiasm throughout the rest of the company" and