I am able to select and open music files while in iMovie when I click the iTunes icon to the right. I have not been able to figure out how to import these music files to iMovie. I would like to use my iTunes music as background music for video projects. I would like to preserve the sound of the video in some clips so that both music and video sound play together. Other clips, it may be preferable to eliminate the sound altogether and just have the music. Anyone get me started in the right direction?