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Logic Pro 9 User Manual - Help Library - Apple

Logic Pro 9 User Manual - Help Library - Apple

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Editing Transposition with the<br />

Chord and Transposition Tracks<br />

You can use the Chord and Transposition tracks to edit the playback transposition of MIDI<br />

events and <strong>Apple</strong> Loops over time.<br />

The Transposition track contains nodes that are connected by vertical and horizontal<br />

lines. Each node represents a global transposition event, which determines the global<br />

transposition value until the playhead reaches the next transposition event during<br />

playback.<br />

Transposition events are closely linked to the chord root notes in the Chord track. If you<br />

create or alter a transposition event, the amount of pitch shift is immediately reflected<br />

by the the chord root notes in the Chord track—and vice versa.<br />

The zero position of the Chord and Transposition tracks is determined by the current key<br />

signature in the Signature track. If the key signature changes during a project, the zero<br />

position of the Chord and Transposition tracks changes accordingly.<br />

This chapter covers the following:<br />

• Opening the Chord and Transposition Tracks (p. 1050)<br />

• Understanding How MIDI Events and <strong>Apple</strong> Loops Are Transposed (p. 1051)<br />

35<br />

1049

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