Apple has updated their excellent music-making app, GarageBand, to version 1.1. From MacCentral’s article:
According to notes released with the update, GarageBand 1.1 addresses isolated performance and stability issues, allows per-track Echo settings similar to other effects, supports loop libraries in other disk locations, supports importing unprotected AAC audio files in addition to AIF and MP3 files, and addresses issues with ReWire support. In addition the update supports moving GarageBand songs between different computers, dragging entire tracks in the timeline and more.
The update is available through Software Update.