The following content was developed for a training session with teachers on using GarageBand. Originally, the material was organized in a Blendspace site, which can be found here at GarageBand Music Project.
GarageBand Looping Task by Dan Gibson
GarageBand – Making songs longer from Hoosier Teacher on Vimeo.
GarageBand Creating Simple Backing Tracks from Hoosier Teacher on Vimeo.