{"product_id":"vintage-the-keyboard-poster-by-castalia-vintage-music-teaching-aid-36-x-24","title":"Vintage -The Keyboard Poster by Castalia - Vintage Music Teaching Aid, 36\" x 24\"","description":"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.\u003cbr\u003e\u003cbr\u003eFeatures:  \u003cbr\u003eVintage 1980s music chart\u003cbr\u003eCastalia Publications\u003cbr\u003eChord\/scale\/key signature tables\u003cbr\u003eFull 88‑key keyboard layout\u003cbr\u003e36\" x 24\" size","brand":"Castalia","offers":[{"title":"Default Title","offer_id":55055608086827,"sku":"S23 Mom - ORG 192 - Piano Poster","price":26.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/5064\/4011\/files\/4d915bfd-4be6-4920-8833-135d8f347f4b.jpg?v=1787343911","url":"https:\/\/www.sweetdealalabama.com\/products\/vintage-the-keyboard-poster-by-castalia-vintage-music-teaching-aid-36-x-24","provider":"Sweet Deal Alabama LLC","version":"1.0","type":"link"}