Here are some short articles on the NetTracks technology behind the SCM app.

Large Organ Accessibility and Usability
The driving force behind NetTracks.
iPad Unleashing Your Musical Potential with NetTracks
A Deep Dive into NetTrack’s Innovative App – By Jude Young.
Apple Devices Side-loading into SCM
Loading up NetTracks with your own audio, images, and metadata is also possible.
Music Practice The Importance of Play-Along Tracks in Music Practice
Looking at some of the many advantages of using play-alongs.
Piano and Guitar SCMs End-User Licence Agreement (EULA
Pivacy Moment for a Musician SCM/NetTracks Privacy Policy