iTunes Preview, launched yesterday, addresses this by replicating the iTunes music catalogue in the browser—everything but the actual song previews which you access by clicking that link that launches the iTunes app.

Take a look: Roseanne Cash—The List

These iTunes links are more accessible and more relevant to more people—in particular people who have not yet installed iTunes. It also exposes the full catalogue to search engines so expect these links to pitch up in searches.

I really wish they’d open up song previews to this, especially for iMixes. I’m guessing they’ve done enough research that indicates that the song preview itself is tightly linked to the purchase, in which case their priority would be to encourage people who do not have iTunes to get iTunes. (People like me who already have iTunes will just grumble, then follow through to the app to make a purchase decision.) At this stage, Apple’s priority is no doubt extending the reach of the iTunes application—not closing the $1.29/.99 sale. (Which makes me sad.)

UPDATE 2010-01-09: The song previews are in—have been for a few weeks! I’ve always wanted to validate the idea of a platform that allows people to create online virtual (not necessarily 3D) boutique record stores. Not to turn a profit necessarily, but just for music lovers and niche referrers to go back in time and fulfill the practically dashed dream of opening one’s own record store.

Pete’s ripping his Fugazi CDs while Tricia tries to read.

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Pete sets up music in the sauna, but who’s the DJ?

Follow Pete’s tweets: @pbickerson