Listen to Relax in the Night online. Relax in the Night is an Unknown language song and is sung by Soft Jazz Mood. Relax in the Night, from the album Box of Jazz (Best Smooth Music Collection, Dixie Songs, Swing Rhythms Cafe, Lounge Mood), was released in the year 2018. The duration of the song is 4:04. Download Unknown songs online from JioSaavn.