Bieber singing and performing an original song called Common Denominator from his upcoming debut album. br br Subscribe and stay tuned to follow the adventures of Justin through this journey. br br © Copyright 2008 Justin Bieber br br Justin Bieber is a young 13 y.o. Canadian artist : he sings, plays the guitar, the piano, the keyboard, the drums and the African Djembe. He is a very good dancer, too.