Instrumental Duet Clarinet,Flute,Instrumental Duet - Level 1 - Digital Download SKU: A0.581953 By Justin Bieber. By Adam Messinger, Justin Bieber, and Nasri Atweh. Arranged by John Gibson. Pop. Score and parts. 4 pages. JB Linear #3578433. Published by JB Linear (A0.581953). Mistletoe by Justin Bieber is a simple, sweet Christmas Song set by John Gibson for flute and clarinet. There are simple syncopations and the parts stay within a limited range. This would be playable by 2nd year players. It is all about Love at Christmas time!