HAPI Drum options and scale descriptions from highest to lowest scales.


  • D Akebono Pentatonic (D4, E4, F4, A4, Bb4, D5, E5, F5)
  • High voiced.
  • The Akebono scale originates from Japan. It produces a meditative / exotic sound.
  • It sounds great played with Western and Eastern instruments.
  • Available on: Mini, also available on Origin (one octave lower, see below)

  • C Major Pentatonic (C4, D4, E4, G4, A4, C5, D5, E5)
  • High voiced.
  • Ranges from C4 (middle C) to E5. C Major is a very popular musical scale. It has no flats or sharps. It is also known as a "natural" scale.
  • This drum sounds great with the HAPI Drum Slim A Minor, G Major, or F Major scales. It also pairs up with our HAPI Drum Origin in the scales of E Minor and D Minor. And, of course, it sounds wonderful with our HAPI UFO Drum which is in the full C Major scale. The HAPI Drum Mini C Major is the exact same scale as the HAPI Drum Slim C Major. The Slim has stronger bass response and the Mini has a small shape and stronger highs.
  • Available on: Mini, Slim

  • A Minor Pentatonic (A3, C4, D4, E4, G4, A4, C5, D5)
  • Mid voiced.
  • A widely used musical scale. A Minor is the relative Minor of C Major and known as a "natural" Minor.
  • Sounds great with Native American flutes in A. This drum will sound good with the HAPI Slim C Major, G Major, or F Major scales. It also pairs up great with our HAPI Origin drum in the scales of E Minor and D Minor. And it works well with our HAPI UFO drum which is in the full C Major scale.
  • Available on: Slim

  • A Akebono Pentatonic (A3, B3, C4, E4, F4, A4, B4, C5)
  • Mid voiced.
  • The Akebono scale originates from Japan. It produces a meditative / exotic sound. It sounds great played with Western and Eastern instruments.
  • This drum will sound good with the HAPI Slim C Major, G Major, or F Major scales. It also pairs up great with our HAPI Origin drum in the scales of E Minor and D Minor. And it works well with our HAPI UFO drum which is in the full C Major scale.
  • Available on: Slim

  • G Minor Pentatonic (G3, Bb3, C4, D4, F4, G4, Bb4, C5)
  • Mid voiced.
  • A very moving scale. Mozart considered it most suitable for expressing sadness and adversity.
  • Sounds amazing with Native American flute in G.
  • Available on: Slim

  • G Major Pentatonic (G3, A3, B3, D4, E4, G4, A4, B4)
  • Mid voiced.
  • Known as the "people's key" it is one of the most popular keys in classical and modern music.
  • This scale is great with guitar because all of a guitars 6 strings can be played open in G. The banjo is also usually tuned to G. This drum will sound good with the HAPI Slim C Major, A Minor, or F Major scales. It also pairs up with our HAPI Origin drum in the scales of E Minor and D Minor. You can also enjoy playing this with our HAPI UFO drum which is in the full C Major scale.
  • Available on: Bell, Slim

  • E Minor Pentatonic (E3, G3, A3, B3, D4, E4, G4, A4)
  • Low voiced.
  • A popular musical scale. Heavily used in classical acoustic guitar.
  • This drum will sound great with the HAPI Slim C Major, A Minor, G Major, or F Major scales. It also pairs up with our HAPI Origin drum in the scale of D Minor. And it works well with our HAPI UFO drum which is in the full C Major scale.
  • Available on: Origin

  • E Major Pentatonic (E3, F#3, G#3, B3, C#4, E4, F#4, G#4)
  • Low voiced.
  • Very suitable for playing with guitar. The bells of the clock tower in London's Palace Westminster are tuned to this noble scale.
  • Available on: Origin

  • E Akebono Pentatonic (E3, F#3, G3, B3, C4, E4, F#4, G4)
  • Low voiced.
  • The Akebono scale originates from Japan. It produces a meditative / exotic sound. It sounds great played with Western and Eastern instruments.
  • Available on: Origin

  • D Minor Pentatonic (D3, F3, G3, A3, C4, D4, F4, A4)
  • Low voiced.
  • This scale produces a soothing meditative sound.
  • It sounds great with the HAPI Slim C Major, A Minor, G Major, or F Major scales. It also pairs up great with our HAPI Origin drum in the scale of E Minor. And it works well with our HAPI UFO drum which is in the full C Major scale.
  • Available on: Bell, Origin

  • D Major Pentatonic (D3, E3, F#3, A3, B3, D4, E4, F#4)
  • Low voiced.
  • D Major has been called the "key of glory" and is one of our lowest pentatonic scales.
  • Works great with guitar when used with "drop D tuning". Also sounds great with tin whistles that are tuned in D. Deep and meditative.
  • Available on: Origin

  • D Akebono Pentatonic (D3, E3, F3, A3, Bb3, D4, E4, F4)
  • Low voiced.
  • The Akebono scale originates from Japan. It produces a meditative / exotic sound. Deep and meditative.
  • It sounds great played with Western and Eastern instruments.
  • Available on: Origin


  • C Major Full Scale (D3, E3, F3, G3, A3, B3, C4, D4, E4, F4, G4)
  • Mid to low voiced.
  • C Major is one of the most commonly used key signatures in music. The white keys on the piano correspond to C Major, its relative minor is A Minor. C Major is often thought of as the most straight forward key owing to its lack of flats and sharps.
  • Sounds great with HAPI Slim C Major, A Minor, G Major, and F Major. Also sounds good with our HAPI Origin drums E Minor and D Minor.
  • Available on: UFO