Earbuilder by GCM Enterprises   
by GCM Enterprises   

Earbuilder is an ear training software for students and Hobbyists on a budget. Purchase Earbuilder to train you towards that perfect pitch ear you have always wanted. Earbuilder will train your ear with Interval, Scales, and Chord drills that can be customized to your desire. Use the auto trainer for hands free practice. Purchase Earbuilder now.