Transfering iTouch music Library to iTunes

Hello
Brother has recently converted to MacBook Pro from Windows. Has Mosul of his music library on his iTouch.
All that is showing in iTunes is his purchased ingfromation
Wants to download his music from iTouch to iTunes but can't see how to do it
Hope this is the right please and thanks for any help offered:

I like Pod To Mac for this sort of job.

Very Helpful Forum and an interesting topic as well. Keep it up !!

I like iMacsoft iPod to Mac transfer... it has worked very well for me. There is a bunch of software out there to help you with this, just google around a bit.