He made Harpejji really cool an amplified device. Its composer in 2007 was the experimental equipment manufacturer.
Its Marcodi music product founder Tim Meeks. There is a unique stringed instrument in this Harpejji which is used by tapping strings rather than string.
He could use a wooden frame to provide a back beat.
This player has tapped the string with a finger instead of creating the string instead of the stars.
It employs the principles of guitar, piano, harp and collision.
Source video & images - https://laughingsquid.com/the-harpejji-a-unique-stringed-instrument-that-is-played-by-tapping-the-strings-instead-of-strumming/