Teen sensation Justin Bieber is rapping on a cover of the Bing Crosby classic Drummer Boy, which will feature on Justin's forthcoming album, Under The Mistletoe. For his version of the song, Justin teamed up with Busta Rhymes. The CD will feature a collection of festive tracks including his recent single 'Mistletoe', which reached number 11 on the US Hot 100 and 21 on the UK chart. Other collaborations on the set include 'All I Want For Christmas Is You' with Mariah Carey and 'The Christmas Song' with Usher. To date, 'Drummer Boy' has been covered over 220 times with renditions from artists including Johnny Cash, The Supremes, Stevie Wonder, Destiny's Child and Mariah Carey.