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They're maj7 chords, which are 4 notes. So if you practised you could possibly do it with one.
Of course, if you're doing it on a keyboard you could possibly use casio chord or something. The issue with that is that they usually don't handle octave changes very well.
Of course, if you're doing it on a keyboard you could possibly use casio chord or something. The issue with that is that they usually don't handle octave changes very well.