Highway Music

grooves to wake up sleepy drivers can be designed to play a tune. The distance between the chunks of grooves and the lenngth of the note: whole, half, quarter. The distance between the groove and or with of the grooves with the chunks define the notwe and it's timbre. Th tempo (and pitch) of the tune in toto defined by speed of car and tires. A stero program and or harmonies can be created by having tracks of grooves for each side of car. even mor ecomplicated arrangements could by designed for a trike, ie, three tracks.