RoGame Software announces ScaleMaster 2, a fantastic new upgrade to the venerable music app for macOS. ScaleMaster 2 was specifically designed to help with scales in a theoretical and practical context. Serving as a practice environment and reference for over 200 scale types, ScaleMaster 2 includes 9 virtual instruments, a music notation interface, a full GM sound library and much more. Version 1.0.3 has been re-designed from the ground up with a very modern interface. ScaleMaster 2 is $19.99 and can be downloaded from Mac App Store.