The highlight of the bunch is GarageBand, Apple's audio editing app. It seems that when Apple updated its Web page with new app icons, it also included a new description for GarageBand that said the app will drop its current $4.99 price and become free. However, users will apparently have to pay small fees for additional instruments and sounds within the app after they download it.

Apple TV

For a while, many believed Apple would release a new version of its $99 Apple TV digital receiver at Tuesday's event, but the most recent reports say that is unlikely.

At most, Apple will preview new Apple TV hardware at the event but not release it until much later on, according to 9to5Mac, which has a solid track record on Apple event predictions.

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