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concert pitch, and should have Key+ set to -2 to transpose it two chromatic steps
back down. Remember, not all trumpets are Bb instruments!
To Notate a Bb Trumpet Part
1. Record or enter the notes using the pitches that the musician who will be
reading the part needs to see. For example, if the non-transposing instruments
are playing in the key of C, a Bb trumpet player needs to see the notes a whole
step higher—the key of D. The instrument itself sounds a whole step lower
than concert pitch, so when a Bb trumpet plays in the key of D, it sounds in
the key of C.
Now that the pitches appear the way that the trumpet player needs to see
them, the problem is that when you play your project, the MIDI notes in the
trumpet track sound a whole step too high.
2. In the Track view, force SONAR to play the trumpet track a whole step lower
by entering -2 (negative 2) in the Key+ field and pressing Enter.
Now the trumpet part in the Staff view appears in the key of D—SONAR
automatically adds two sharps to the trumpet track’s key signature—but the track
sounds in the key of C because you entered -2 in the Key+ field (you may need to
close the Staff view and reopen it to see the new key signature). The Staff view
automatically transposes the key signature for each track according to the track's
Key+ value. Multiple tracks appear and can be printed as an orchestral score, with
the proper different key signatures for each track.
Note that this Key+ information is saved in SONAR .
CWP files, but not in standard
MIDI files. If you save a file as a MIDI file, the Key+ transposition will be applied
to each note event, so that the file will sound the same, but the Key+ information
will be lost. If you're reading in a MIDI file, you can easily set up the non-concert
instrument tracks and then save the file as a normal project file. First set the Key+
offset to reflect the non-concert instrument's key signature. Then, use Transpose
to compensate for the Key+ offset.
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