Here's a list extracted from a NYTimes article of free legal music Websites. Carefully checked for malware by the Times, but as always make sure your security is up to snuff before accessing anything.
DOWNLOAD SITES
www.nuTsie.com may have a paid section
www.amazon.com MP3 page
www.rollingstone.com Rock & Roll Daily page
www.artistdirect.com limited # (200 or so)
www.freemusicarchive.org in-studio performances from eclectic radio station WFMU-FM
RECORDING ARTISTS your favorites usually have some tunes for free, maybe whole CD's
SMALL RECORD LABELS especially eclectic/ niche labels: for example--
www.dischord.com entire label on MP3
www.fatwreck.com punk rock for you headbangers
www.subpop.com
LIST OF FREE SONGS 1 million songs listed
www.creativecommons.org/legalmusicforvideos
INTERNET RADIO requires streaming audio recorder and sound editor to record (see below for that)
www.flytunes.com
www.spiralfrog.com
www.jango.com
www.batanga.com Latin music 24/7 in all styles
STREAMING RECORDER FOR PC'S
http://audacity.sourceforge.net
AND FOR MAC'S
http://audacity.sourceforge.net
www.ambrosiasw.com/utilities/wiretap shareware--free trial; paid thereafter
phrase of the day--protocol-agnostic network-congestion-management practices>>translation from the telco-ese/ cable-ese--"We're gonna find a way to choke down you bandwith hogs doing all this downloading and p2p networking"
Have big fun, Brothers!