Listen to The Heart Of Worship - High key performance track w/o background vocals online. The Heart Of Worship - High key performance track w/o background vocals is an English language song and is sung by Worship Tracks. The Heart Of Worship - High key performance track w/o background vocals, from the album Worship Tracks - The Heart Of Worship - as made popular by Matt Redman [Peformance Track], was released in the year 2006. The duration of the song is 5:02. Download English songs online from JioSaavn.