Circle of 4ths/5ths

– shows a Diagram with Relationships between all Chromatic Keys 

– also shows Key Signatures for Relationships between Diatonic Scales (Major/Minor)

– Consecutive (aufeinanderfolgend, fortlaufend) Keys on Circle of 5ths share same Notes and only differ by on Pitch (closely related Tonalities)

– Jazz refers more to 4ths while Classical Music to 5ths