- You have to touch the green flag to You can select up to 4 sounds at the same time, touching the letter corresponding to the instrument and the corresponding number depending on the place where you want to place it. To de-select touch the 0 and the number you want to delete - Once the combination is chosen, you can listen to it by touching the "up" arrow or play - To stop the sounds, touch space or stop - If you like a combination of 4 sounds, you can save it by touching the "down" arrow or save - Up to 2 combinations can be saved - By pressing the "right arrow", you go to another screen where you play the saved sounds, from that screen you can return to the initial one by touching the arrow again - To play them you can click on the speakers (they have the order of the letters on the keyboard)