Inez and Charlie Foxx name Inez Johnston, but with little success. In early 1963, the pair introduced themselves to Henry 'Juggy' Murray, the owner of Sue Records, and sang him their arrangement of the traditional lullaby "Hush, Little Baby". The song, re-titled "Mockingbird", was released in 1963 and made the Top 10 on both the US rhythm and blues and pop charts. It was their most successful record, sold over one million copies, and was awarded a gold disc by the RIAA. It was later covered by artists including Aretha Franklin, James Taylor and Carly Simon, Dusty Springfield, Etta James with Taj Mahal and
Long Ago and Far Away (James Taylor song) melody of "Long Ago and Far Away" and that of "Sunny Skies," a song from Taylor's prior album "Sweet Baby James". Journalist Peggy Mulloy Glad regards it as an example of how Taylor can use his vocal and guitar playing to "communicate the pain, melancholy and desires that most people experience but few can express." Author Dave Thompson described the song as "slight." But Rudis considers it a "nice dreamy number." Author Ian Halperin regards it as the most daring song on "Mud Slide Slim". Thirteen years after its initial release, critic Doug Robinson called it a "lesser known gem."