Performance controls (play parameters):

1. Play melody: Press Play button (ctrl P (command P on Mac))
2. Stop playing: press esc key on keyboard
   
3. Repeat the last playing: press R key on the keyboard
4. By checking or unchecking the appropriate boxes you can hear any combination of

1. Melody
2. Root
3. Beat
4. Skeleton (in case you have selected skeleton-based melody construction, or if you have elaborated the melody)

5. Tempo: here you can set the duration in ms of a 1/16 note (previously called inter slot interval)
6. Sopr: the instrument used for the melody
7. Bass: the instrument used for the root and the bass (with the slider, right from the selector, you can change the loudness of the bass sound)
   
8. Metrically performed: the tones on the two highest metrical levels are played a little louder.
9. Iso: the time between all tone onsets is equal to the set time for a 1/16 note
10. RhythmOnly: only the rhythm of the melody is produced.
11. Expression: the tempo slows down a little near the end of the melody

Play a fragment of a melody

1. To play one note: left-click on the note
2. To play a fragment: While pressing the shift key, successively click the first and last note of the fragment you want to hear
3. To play a part, or to begin playing at a specific location: right-click on the part you want to hear, or on the note where playing should start.