Listen to Music to Relax in Free Time online. Music to Relax in Free Time is an Instrumental language song and is sung by Headache Migrane Relief. Music to Relax in Free Time, from the album Migraine Relief Device - Relaxing Music, Delta Waves for Pain Relief, was released in the year 2021. The duration of the song is 5:42. Download Instrumental songs online from JioSaavn.