MacJams.com today announced it’s href=”http://www.macjams.com/article.php?story=20040719192929351″>MacJamboree celebration. In connection with MacJamboree, MacJams is announcing that it is giving away 500MB of free storage space to each user for sharing of songs created with Apple’s GarageBand software. In addition, MacJamboree includes a contest with 28 winners of US$1,000 in GarageBand-related prizes. MacJams.com offers Mac musicians and music fans the opportunity to share, listen to and comment on thousands of user-created songs, as well as discussion forums, artists profiles, music links, and a buyer’s guide.