majorthird.com was founded in 2004 by an experienced software engineer Hidetomo Katsura and a musician/web designer Usama Minegishi. We both share the love of music and our objective is to create music shareware that are useful, inspiring, fun and easy to use.
to download our software please go to
www.majorthird.com
we have ear training software for Chords, Intervals, Scalse, Inversions, and more to come in the future. (Mac OS X 10.2 or higher only)
also, we are the developers. you may talk to us directly as well.