Each tone is numbered according to the position in a clock.Left and right hand fingering for a pair of relative minor and major scales
The leading tone for the minor scale has a blue ring, that for the major scale has a red ring.
See File:Musical scales fingering.svg for an overview and more explanation.
Part of Circle of fifths and solfege signs (image set)
Own work
WatchduckYou can name the author as "T. Piesk", "Tilman Piesk" or "Watchduck".