Music Lessons #1 features 11 groups of interactive drills: note reading, key signatures, major and minor scales, intervals., note/rest durations, interval ear training and scales ear training. This program helps you understand music hearing what you are learning and learning what you are hearing! You can you this program with or without a MIDI. Music lessons drills move gently from elementary to college level music theory. You can't get bored and the software's open-ended design lets you do drills in any order. You practice and learn what you need. This is not a game, it gets straight to the point of teaching music theory in a sound, correct and informative manner. Your order code will only allow you access to the program(s) you ordered. A free demo download is available at www.mibac.com Lab packs of five users ($447) or site license for a limit of 40 computers ($999) for use in a single building are available.