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• Rezzonator: "Sequencer Page Tutorial" (under Video resources, tutorials and reviews)
• Tracks (under The very basics)

  "A3" / "all-purpose/auxiliary 3"; anything extra you might need in your song.

• 10. ch.t1 Chorus Time 1 (under EFct (global song-wide multi-effects) page)
• 11. ch.t2 Chorus Time 2 (under EFct (global song-wide multi-effects) page)
• Diatonic mode (under Chords)

  Diatonic playing is only available if the used scale comprises seven notes (e.g. is "heptatonic").