The Pro version includes: Band-in-a-Box 2012 * Pro RealCombos: Over 30 RealTracks instruments in 9 bands and RealDrums Set 1 * MIDI Styles Sets 0-3 plus 100 assorted: Over 300 MIDI Styles total. * MIDI Soloist Set 1: 100 Solos in a variety of instruments. MIDI Melodist Set 1: Over 50 Melodists. * Loops Set 1: Nature Sounds and Percussion Loops Free Bonus 8-PAK