Check out the harpejji. It's a stringed instrument with numerous strings that are uniformly spaced a whole tone apart. It also has numerous frets. So you play

Check out the harpejji. It's a stringed instrument with numerous strings that are uniformly spaced a whole tone apart. It also has numerous frets. So you play on a grid. There are numerous videos of various people making amazing performances on the harpejji. They caught the attention of Stevie Wonder, who uses them. https://en.wikipedia.org/wiki/Harpejji https://en.wikipedia.org/wiki/Harpejji It is an electric instrument played with touch technique: you just fret the note by hammering on it with a finger, like right hand tapping on an electric guitar. Unlike most electric guitars, the harpejji has a separate pickup for each string. Furthermore, it electrically senses the contact between the string and fret. So any unfretted string is not heard, even if it happens to be vibrating. This gives the instrument superb clarity, like hitting keys on a synthesizer. All the players demonstrating the instrument have good articulation, free of unwanted sounds. Harpejjis have black and white markings on the fretboard to identify C major scale notes. When you look at a horizontal strip of this (across the strings) it is reminiscent of the isomorphic piano.