If you want to check out more of their music after their performances with Prince. All three of their albums are on Emusic - so you can get them all on non-protected MP3 for about £10.

Remember that with your Prince Ticketmaster tickets you get 35 downloads free at www.emusic.com/ticketmasteruk. I think you have to enter credit card details, but you get a month to cancel before they take anything.