Attractive educational, tutorial, instructor's illustration: keyboard or piano keys with the bass and treble staves and clefs, notes named, letters overlaid, for easy memorizing by kids.
© Andronique... | Dreamstime.com
Note that both small and large (for comp) previews are oversharpened by DT automatic algorithm, and the horizontal lines only seem to be of uneven thickness. In the original (for download) all the lines are of equal thickness and there are no halos around clefs and notes.
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