Trombone Duet Trombone - Level 2 - Digital Download SKU: A0.1343310 By Justin Bieber Duet With Mariah Carey. By Mariah Carey and Walter Afanasieff. Arranged by Sidnei Borgani. Christian,Christmas,Holiday,Pop. Score. 10 pages. Sidnei Borgani #928836. Published by Sidnei Borgani (A0.1343310). All I Want for Christmas is You  (Mariah Carey)Arrangement for 2 Trombones (duet) with or without Rythm Section Score + parts are includedEasy and Fun Christmas Rock Pop Shuffle song. Arrangement inspired  by Mariah Carey video Clip.In  (F) Easy / Intermediate level.