
Use chord progressions in Logic Pro for Mac
Logic Pro includes a set of chord progressions that you can use on the Chord track and on Session Player regions. Chord progressions appear in the Chord Progressions submenu with roman numerals (I, ii, IV, V, and so on) for chords indicating their relation to the key signature, rather than as key-specific chord symbols. When you add a chord progression, it adapts to the key signature at the position where it is added.

Note: In a chord progression, a roman numeral defines a chord by the note of the scale on which it is based. Uppercase numerals represent major chords, and lowercase numerals represent minor chords. For example, in the key of D major, a “vi” represents a B minor chord (the chord based on the sixth note of the scale).
When you add a chord progression to a project, it functions as a chord group and can be moved, copied, or looped. You can ungroup the chords in a chord progression to use or to edit them individually.

When you add a Session Player to a project, if no chords exist on the Chord track, an eight-bar default chord progression is added to the Chord track rather than a single chord. Each Session Player style has a default chord progression.