Learning Music Theory with Logic, Max, and Finale by Unknown

Author:Unknown
Language: eng
Format: epub

With these settings in place, we input the first two chords in measures 1–4 on track 2 with the Arpeggiator. If we route and record its output to track 1, we’ll see the music as per figure 5.19.

Figure 5.19: Chopin's Etude Op. 10, no. 1 as created with the Arpeggiator in Logic.

[117]In the original musical score, the highest part of the pattern (the last beat of the first measure and the first beat of the second measure) has an ottava alto (8va . . .), indicating the notes sound one octave higher than notated. In the Logic Score Editor (figure 5.19), these notes are shown at the actual pitches. Chopin’s Etude Op. 10, no. 1 has broken chords throughout the piece, but as these chords do not always use the pattern we created, we would need many different Arpeggiator settings to create all the chord patterns to recreate the entire piece.

We can also use the Arpeggiator in Live, as opposed to Grid mode, so that it responds to notes played on a connected MIDI controller. In Live mode, if we choose the Latch Transpose Mode, the Arpeggiator will “learn” an arpeggio pattern played on the keyboard. If we then play a single note on our MIDI keyboard, the arpeggiator will play the same arpeggio pattern based on that note. Next, we go to the Keyboard section in Arpeggiator and choose both a key and a scale form from among the seventeen possibilities (the major and the three minor scale forms are included). The Arpeggiator will then constrain any chord pattern to that scale. If we choose the key of C and the major scale, for instance, then play a C major seventh chord (C–E–G–B), anytime we then play a single note in the C major scale, Arpeggiator will play the seventh chord that corresponds to that scale degree.

Earlier in this chapter, we learned that the seventh chords based on the scale degrees of the major scale are: Imaj7—major seventh, ii7—minor seventh, iii7—minor seventh, IVmaj7—major seventh, V7—dominant seventh (or major/minor seventh), vi7—minor seventh, vii°7—half-diminished seventh. We can use the Arpeggiator in Latch Mode to play all these chords.

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