You can play the piano with the white keys only or you can play it with only the black keys. But for harmony you must use the black and the white keys.- Ernest Debrah ✦ Customize This Card SAVE: .PNG .JPG .SVG COPY DESIGN: ✦ EXTREME MIX THEME PATTERN FRAME CUSTOM BG: UPLOAD IMAGE ✕ CLEAR DIM: FONT: Playfair Display Cinzel Royal Cormorant EB Garamond Lora Editorial Merriweather Baskerville Roboto Slab Montserrat Raleway Oswald Bold Lato Clean Great Vibes Dancing Script Pacifico Caveat Brush Amatic SC RATIO: Auto Fit 4:5 Portrait 1:1 Square 5:4 Classic 16:9 Wide 9:16 Story 3:4 Poster RES: 1x Standard 2x HD (1080p) 3x Ultra (4K) 4x Extreme Print BG PAT TEXT FRAME You can play the piano with the white keys only or you can play it with only the black keys. But for harmony you must use the black and the white keys.- Ernest Debrah