And that's very easy to do... as long as your listeners have a way to get the actual music.
Two services that make this easy for you are iTunes and Rhapsody. iTunes allows you to publish "iMixes," custom playlists of songs that are available from the iTunes music store. This is a popular option, but the downside is that listeners must pay for every song in your playlist. Yes, they can usually listen to one-minute teasers first, but it's still a lot to ask! For an easy guide to creating and sharing iMixes, see the Apple iMix tutorial. iTunes is available for Windows and Macintosh computers, so most of your friends should have no trouble listening to your playlist if they choose.
Rhapsody is a more interesting option, because Rhapsody Unlimited subscribers are already paying a monthly fee for "all you can eat" music. And that means they don't have to pay specifically to hear your playlist. Just create and share your playlist by following the instructions on the Rhapsody Instant Playlist page.
One important disadvantage of Rhapsody: Rhapsody is currently for Windows only. And that means your friends with Macintosh computers won't be interested.
In general, services that don't require you to supply the music files are free for you - but they require your listeners to belong to a particular service. If that doesn't work for you, check out the article how do I legally broadcast copyrighted music on the Internet?
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