While messing around on my MIDI keyboard i found that an interval of two semitones and then four semitones produces very interesting harmonies like eg: D-F-A# .I want to know the name of this harmony . I've looked into augmented , diminished chords but am not sure . Just need some pointers to do more research .
closed as not a real question by Matthew Read♦ Jan 28 at 5:28
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I'd say D-F-A# is B flat major, first inversion, with a different spelling.
Maybe the music theory nerds among us might say it is a minor augmented chord or something, but it will sound exactly like B flat major.
There's a couple of ways to name that chord (D-F-A#):