C tower, piano musical notes. Learning aid, to find the C positions on the piano keyboard, shown with five whole notes. The Middle C on one position for treble clef and bass clef. Illustration. Vector Poster #447268392
C tower, piano musical notes. Learning aid, to find the C positions on the piano keyboard, shown with five whole notes. The Middle C on one position for treble clef and bass clef. Illustration. Vector Poster #447268392
