This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Messiaenmodus. Messiaen mode of limited transposition no Messiaenov modus Transferred from org sl Ziga at org sl User SlZiga at Commons public domain see below slZiga original upload log page sl Messiaenmodus Ziga bytes no Modes of limited transposition
Page 2023 Free-images.com. All images are Public Domain