The 8-Bit Construction set is a great record that came out a few years ago.
It's a collection of vintage Atari and C64 sounds, beats created using those machines, and even software on vinyl! If you remember playing a software cassette in your tape deck and hearing an ungodly whirring and high pitched whine, yes, this is what they've included. You can actually record this sound and load it into your vintage machine as software! And to make things a bit easier on the ears, the software is only in one channel, with kitschy organ music playing in the other.
http://beigerecords.com/products/beg-004.html
