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Arduino Piano Keyboard interfacing with LCD has 2 mode.

The Manual Mode & The presets mode. I used 7 Pushbutton for a simple 7 keys piano and 1 button for Setup Mode to switch to 7 presets songs.

. Preset mode songs: Click the setup mode button first.

super mario stage 1
super mario stage 2
fur elise
joy to the world
jingle bells
star wars”

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