Choose Transposition if you want the marking youвЂ™re creating to affect the transposition of the music wherever it appears in the score. Alternatively, you can create a playback crescendo using the MIDI tool. Instead, either use an Executable Shape or allow Human Playback to automatically interpret the marking. If the volume is to change gradually (a crescendo or diminuendo), donвЂ™t enter a value in the Set To Value box. (Use this option to define dynamic markings, for example.) Specify the velocity value itself in the Set to Value text box the scale of MIDI velocity values is from zero (silence) to 127 (very loud). Choose Key Velocity if you want the marking youвЂ™re creating to affect the key velocity (how hard the keys are struck) wherever it appears in the score. If you select this option, the number in the Set To Value box (or the shape identified by the number in the Execute Shape box) governs the effect of this controller. When Controller is selected, a new text box appears with a drop-down list, in which you can specify the MIDI controller itself by entering its number for example, the controller number for the sustain pedal (on most keyboards) is 64. MIDI controllers include modulation wheels, breath controllers, pedals, and so on (the pitch wheel has a separate Playback Definition option see Pitchwheel, below). If the tempo is to change gradually (a rallentando or accelerando), donвЂ™t enter any value in the Set To Value box. When Tempo is selected, a new drop-down list appears, from which you can choose the rhythmic pulse for the Tempo setting (quarter notes per minute, half notes, etc.) specify the number of these units per minute in the Set to Value text box. Select this option if you want the marking youвЂ™re creating to affect the playback tempo wherever it appears in the score. This choice, the default, means that your Text Expression will have no effect on playback. Each option is described separately below. From this dropdown menu, choose the playback effect you want this Text Expression to have on MIDI playback. When this box is checked, the Type and Effect controls are not accessible in favor of the metronome marking entered in the Main tab. Check this box to automatically define the metronome marking entered in the Main tab's Text field as the expression's playback tempo definition.

Match Playback to Metronome Marking Text.These options control playback effects assigned to the expression.

The Expression Designer dialog box appears.

Click Create, or click a text expression and then click Edit.

(If you want to edit a text expression thatвЂ™s already in the score, double-click or CTRL+double-click its handle.) The Expression Selection dialog box appears.

Click the Expression tool, and double-click a note or measure.

Expression Designer - Playback dialog box

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