A system tray app that adds seamless features to iTunes including automated library maintenance, playlist management, playlist sychronization with MP3 players, lyrics downloads, track and playback control, and global keyboard control.  C#, WPF, MusicBrainz, iTunes APIs, and more!

Features
Automated library maintenance and optimization Remove "dead tracks" - tracks in library without corresponding data files
Remove duplicates - multi-level intelligent processing to identify and archive duplicate tracks
Remove empty directories - delete empty hard-drive directories left over by iTunes' organize
Automatically import media files not yet in iTunes Library
Automatically download missing album artwork

Synchronize one or more playlists directly to a selected USB MP3 player
Easy playlist export/import Export an album, an iTunes playlist, or all tracks by an artist with just a couple of clicks
Convert the iTunes tracks to any supported music format, AAC, AIFF, M4A, MP3, or WAV
Copy these tracks to any location, disk, USB, along with a playlist index file such as M3U, PLS, WPL, and ZPL
Import a playlist index file to create a new library playlist and optionally import new media files

Global hot key control of iTunes playback with customizations
Automatic lyric discovery using multiple online providers
Quick access to view lyrics of current track
System Tray icon showing the current player state: play or pause
Notify popup showing current track information, title, artist, album, and album artwork
Detailed track information with quick link to storage folder on disk
Indication of source location, standard music library, movies, TV shows, podcasts, radio
Basic playback controls including, next/prev track, play/pause, volume, position, rating, and shuffle
Basic track information editor to customize title, artist, and album