I can't even use iTunes, my windows is too old :-(
It's a shame indiestore only let you have 4 tracks for free though.
Go the whole hog, Richard .. sign up for the complete thing. That'll enable you to put up 15 individual tracks and 5 "bundles" ( .. I'm going to use the bundles for albums)
I've put up our 'Veil Of Tears' E.P. and before the month's through, the new album with a whole disc-full of bonus material'll be going up.