Music Therapy can be a very great help to children with autism. Because music is a non-threatening medium, children often respond very well to it. It can be used in conjunction with other therapies and can address the same goals but presents things in a unique way to children. Read more about music therapy and autism here: http://musictherapy.org/factsheets/autisĄ
Especially if you have already noticed a slight interest in music in any of your children¨C itĄ¯s definitely worth a try!
You can contact the American Music Therapy Association to get a list of registered music therapists working in your state. http://musictherapy.org/