Minuet in G major, BWV Anh. 114 in the notebook. The Minuet in G major and its companion are two of the many anonymous works included. In the 1970s, the Minuet in G major was identified as a piece from a harpsichord suite by Dresden organist Christian Petzold. The melody from the 1965 pop song "A Lover's Concerto", written by American songwriters Sandy Linzer and Denny Randell, was based on the Minuet in G major. The song was recorded by the girl group The Toys and reached number 2 in the US "Billboard" Hot 100 and number 5 in the UK Singles Chart. "A Lover's Concerto" sold
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