This message conveys the change in volume. This is used to lower or raise the volume during a song. * The part volume will change with either the volume message (Controller Number: 7) or expression message (Controller Number: 11). Note that if a 0 value is received with either of the messages, the part volume will be 0, and the part�s volume will not increase even with the other message.
This message provides adjustment for the sound location in the stereo field (L/R). Effective only when a stereo output is used.
Orientation Pan Left 0 Center 64 Right 127
This message conveys the pressing and releasing of the damper (sustain) pedal. Notes will be held when �hold on� is received. Sounds which decay naturally (such as pianos) will decay more slowly when �hold on� is received. Sustaining sounds (such as organs) will be held until �hold off� is received.
�Sostenuto (Controller Number: 66)
The pedal that sustains notes only when it is stepped on is called the sostenuto pedal. This message conveys the action of pressing and releasing this pedal. When �sostenuto on� is received, only notes played at the same time will be sustained. Sounds which decay naturally (such as pianos) will decay more slowly when �sostenuto on� is received. Sustaining sounds (such as organs) will be held until �sostenuto off� is received.
�Soft (Controller Number: 67)
The pedal that softens the sound of notes played is called the soft pedal. This message conveys the action of pressing and releasing this pedal. When �soft on� is received, the cut off frequency is lowered, and a soft sound is achieved. When �sostenuto off� is received, the original sound is restored.