BBM Music is an easy-to-use cloud-based service that enables social and viral music discovery by allowing users to build an evolving, community-based music library that is shared amongst their BBM Music friends. The size of the music library continues to grow as new friends join the community and each user can select music from a catalog with millions of songs from leading music companies – Universal Music Group, Sony Music Entertainment, Warner Music Group and EMI. A closed (limited) beta trial of the BBM Music service is starting today in Canada, the United States and the UK. The BBM Music service is expected to be commercially available to customers later…