Listen to Sit Back and Relax online. Sit Back and Relax is an Instrumental language song and is sung by Blue Moon Swing. Sit Back and Relax, from the album 読書を楽しむゆったりジャズ - An Author's Delight, was released in the year 2023. The duration of the song is 1:28. Download Instrumental songs online from JioSaavn.