QChord Song Cartridges play background and melody. Plug into QChord and you're making music, all you do is strum. Suzuki QSC-4 Qchord Song Cartridge Strangers in the Night includes 8 songs: Strangers in the Night, That's Life, I've Got You Under My Skin, The Lady is a Tramp, One For My Baby & One For the Road, For Once in My Life, Guys & Dolls, My Funny Valentine.