Bowtie is an application for your Mac that gives you an attractive widget on your desktop to display iTunes track information. There are also an iPhone and Windows remote applications, which work together to control your iTunes wirelessly.
Bowtie will scrobble your Last.fm tracks, create customizable shortcuts for controlling your music, and make listening to iTunes a more visually pleasing experience. It even has Growl support!
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ByteController is a tiny user interface utility designed to control iTunes from your menubar. ByteController gives you three buttons: Previous, Play/Pause, Forward. You can fast-forward or rewind by holding down on the Previous/Forward buttons, and like Bowtie, has Growl support.
Get more ByteController themes here at DeviantArt.