Hi!
DESiRE just released their Amiga 500 chipdisk 'Chip Chop #15'. With songs by ne7, alpha c, dalezy, wave, chromag, your truly (xyce) and many more!
This of course sounds better on the real hardware but if you haven't got a working Amiga lying around try WinUAE (Windows) or FS-UAE (OSX).