github.com/Michael-F-Ellis/infinite-etudes (go): Copyright 2019 Ellis & Grant, Inc. All rights reserved. Use of this source code is governed by an MIT-style license that can be found in the LICENSE file.  etudes generates a set of 6 midi files for each of 12 key signature. Each set covers all possible combinations of 3 pitches within the key.  Command line usage is  Copyright 2019 Ellis & Grant, Inc. All rights reserved. Use of this source code is governed by an MIT-style license that can be found in the LICENSE file.
Keywords: ear-training|go|midi