Listen to O Tannenbaum / Carol of the Bells online. O Tannenbaum / Carol of the Bells is an Instrumental language song and is sung by Music Themes Players. O Tannenbaum / Carol of the Bells, from the album Popular Instrumental Christmas Songs: Do You Hear What I Hear?, was released in the year 2012. The duration of the song is 2:35. Download Instrumental songs online from JioSaavn.