Wakeman says: "I feel extremely fortunate to be able to release my piano version of David Bowie's Life On Mars and Space Oddity. I think it's very apt for the proceeds to go to Macmillan - a charity that is so crucial to so many people. I witnessed this first-hand when I lost my mother to cancer and the work they do comes from the heart and is truly priceless.

"While some amazing advances in medicine mean that some form of cancers have a very high survival rate and indeed prolonged life in others, with all cancers, it is a very tough time for both the patient and their loved ones.