A mobile recording studio is giving children in deprived areas the opportunity to "express themselves", a charity has said.

Purple Songs Can Fly is the first recording studio ever created on a pediatric cancer floor. The studio gives young patients the opportunity to write their own original songs and record them.

It wasn't very good, but from that point on, I fell in love with songwriting. I fell in love with Purple Songs Can Fly." Recording music helps young patients to express their thoughts and feelings.