You can search for "Transpose" from the Search field and it does return a number of results.
Here is a reference for Transpose for instrument tracks from the User Manual:
Transposing Notes, Instrument Parts, and Tracks
Transposing notes, or changing a group of notes by a given interval, is a common action that takes advantage of the flexibility of musical data. It is possible at any time to transpose notes, a whole Instrument Part, or all of the contents of an Instrument Track.
To transpose a note or group of notes within an Instrument Part, open the Music Editor by double-clicking on the desired Part, and do the following:
- Select all of the notes you wish to transpose.
- Select Transpose from the Musical Functions sub-menu, which can be accessed from the Event menu, the [Action] button, or by [Right]/[Ctrl]-clicking within the Edit view.
- Choose from one of the preset transpositions or use the horizontal fader to set the number of semitones by which the selected notes are transposed (or simply enter a semitone value into the text field). A positive number results in the notes being transposed up, and a negative number results in the notes being transposed down.
To transpose an entire Instrument Part:
- Select the Part you wish to Transpose in the Arrange view.
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Select Transpose from the Musical Functions sub-menu, which can be accessed from the Event menu, the [Action] button, or by [Right]/[Ctrl]-clicking within the Edit view.
- Choose from one of the preset transpositions, or use the horizontal fader to set the number of semitones by which the selected Part is transposed (or simply enter a semitone value into the text field). A positive number results in the Part being transposed up, and a negative number results in the Part being transposed down.
When transposing notes or Parts, the musical notes are moved graphically to represent the change. In this case, the notes displayed are the notes you hear.
To transpose all of the contents of an Instrument Track:
- Select the Instrument Track you wish to transpose.
- Open the Inspector by pressing [F4] on the keyboard.
- Enter a value in the Transpose field for the number of semitones by which the Track is transposed.
When transposing a Track via the Inspector, the transposition is not reflected graphically. The positions of the notes in all Parts on the Track remain unaffected. In this case, the notes displayed may not be the notes you hear. This parameter also affects the notes you hear when you play your Keyboard.
You can also use the Transpose function to set all selected notes (or all notes in a selected Part) to the same note value by enabling Set All To, then selecting your note value of choice, and pressing [OK].
