商品の詳細

Original vintage 1980s instructional chart titled “The Keyboard Poster,” published by Castalia Publications and created by Medallion Graphics/Peter Pickow. Features a simulated grand piano set in an ornate concert hall under chandeliers, with extensive music‑theory reference material including Castalia’s Table of Keys™, Chord and Scale Table™, key signatures, minor scale guides, the grand staff, and a full 88‑key keyboard layout with labeled notes. Signed “R. Butters 83” at the lower right. Multi‑color graphics on a black background. From our Mother’s Estate. Measures 36" x 24" edge to edge. Excellent teaching aid for piano, organ, and synthesizer learners. Features: Vintage 1980s music chart Castalia Publications Chord/scale/key signature tables Full 88‑key keyboard layout 36" x 24" size