Each row of sounds plays automatically in order. I.e. the first square of row one will play first, then the second square in row one will play next - you can use this idea to create order and to sequence your sounds. Working from the top column to the bottom, the sounds progressively become deeper i.e. row 1 contains high pitched sounds, and row 16 contains deeper sounds. Using this notion you can really go to town and have some fun creating a range of cool and impressive beats.