Here is a link to a BBC Radio 3 Programme, which includes an interview with Adam Ockelford about music and autism (about 25 minutes in)
http://www.bbc.co.uk/iplayer/episode/b01qkswh/Music_Matters_Simone_Young_Toscanini_Autism_and_Music/
http://www.bbc.co.uk/iplayer/episode/b01qkswh/Music_Matters_Simone_Young_Toscanini_Autism_and_Music/