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Interval

Minor 7th
10 semitones.

A minor 7th sounds bluesy, wanting to resolve. The fastest way to recognize it is the opening of Star Trek (original theme).

  • Play it on piano
  • m7 · 10 st
  • Same songs as the trainer

Minor 7th

Hear the minor 7th from middle C

The minor 7th is 10 semitones (m7). From C4 at 261.63 Hz the upper note is A♯4 at 466.16 Hz, a frequency ratio of 1.7818.

Ascending hookStar Trek (original theme)
Descending hook—
Characterbluesy, wanting to resolve

Sing the opening of Star Trek (original theme) and you are singing this interval upward. The trainer does not assign a descending song for this one. The interval trainer uses these same hooks.

All twelve

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StudioEarsEar training for iPhone & iPad

Recognize it without the song hint.

The app drills this interval against the ones you confuse it with, and keeps score across days.

Download on theApp Store

Free to start. 5 free training units every day plus built-in studio tools.

  • EQ & compressionDaily drills on drums, bass, guitars and full mixes.
  • Intervals & chordsPiano training that uses the same note names as these pages.
  • Studio toolsMetronome, tone generator and tap tempo live in the app too.

FAQ

Minor 7th questions

How many semitones is a minor 7th?

10. Stack them from any note and you land 10 keys away on the piano, counting only the destination.

What song starts with it?

Ascending: Star Trek (original theme). The trainer does not assign a descending song for this one.

How do I practice it?

Play the buttons above, sing the hook, then do a round in the interval trainer with only this interval and its neighbors turned on.