Listen to This I Swear online. This I Swear is an English language song and is sung by The Skyliners. This I Swear, from the album Save the last dance for me - 200 R&B Hits (The Greatest Rhythm & Blues Classics of the 50s & 60s), was released in the year 2017. The duration of the song is 2:40. Download English songs online from JioSaavn.