Trade CDs for $1 + $.75 shipping. List the CDs you own on your Have List and the CDs you'd like to receive on your Want List. Lala has 1.8 million titles for you to choose from! You can also listen to great music on Lala.

A mashup of Pandora Internet Radio and last.fm. Play your Pandora radio stations and have track information saved to your last.fm account. Pretty neat.

Type in a musical artist and see other artists who have a musical relationship with them. You can view an artist's releases and buy them on Amazon.com

An evolving search engine focused distinctively on audio in Mp3 format. Mp3Realm allows you to search for your favorite songs and clips, and filter them out by file duration. A built in audio player lets you listen to mp3s.

An Internet audio player. Listen to your own music from anywhere in the world. Stream concerts from the Internet Archive. Tune in to great music from around the web. Create your own playlists and share them on your own site See what your friends are lis

An "intelligent" podcast player, just enter some words describing what you would like to listen and Noisely will reproduce many hours of continuos podcasts sequencially.

Find a song you like, click 'Use', describe and configure your SongSpot and click on 'Activate'. Grab the code and add it to your site, blog, photo album etc.

a brand new application built in the spirit of Sound Edit 16 and Cool Edit that provides the tools video editors, designers, and others who do not specialize in audio need to accomplish their everyday work.

Hear fantastic new artists before they become famous. Download free MP3s for your iPod. Pick your favorites to add to your blog or MySpace