Libby Znaimer posted a short article on the Zoomer Report on the Classical 96.3 fm website about the some of the benefits of music on 
In addition, compared to standard treatments, the researchers found listening to music brought about a considerable reduction in heart and respiratory rates, and blood pressure. This was the case when patients listened to pre-recorded music or had sessions with trained music therapists.
Bottom line the researchers say, music is useful as a complementary therapy for people with cancer.