| Use the program. |
| 1. Upload files to midi files of the alto horn. |
| 2. Download midi file that plays alto horn. Or recording it. |
| 3. The position of the press. |
| 4. Play a alto horn sound of music notes. |
| 5. Stop the sound of a blowing. |
| 6. Adjust the volume. |
| 7. Buttons for stop, play and record. |
| 8. Button for students. To play the alto horn. |
| 9. The position of the time of the song. Which can move the time. |
| Specifies. |
| 10.Show or no show. Notes of the song on the alto horn. |
| 11. Use the keyboard on the computer. |
