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Screenshots

  • Blues Harp Hat screenshot 1
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About Blues Harp Hat

Blues Harp Hat app is designed to help you learn and practice musical scales on diatonic harmonicas (Blues Harp).

It allows you to select a diatonic harmonica in any of the available keys and visualize the distribution of the notes of the musical scales in a simple and clear graph that will serve as a reference to practice the notes.

It includes a library with more than 140 scales that can be displayed on any of the diatonic harmonicas and in each of the 12 positions.

The library has more than 140 scales, including the most used:

. Minor pentatonic scale
. Major pentatonic scale
. Blues Minor Scale
. Blues Major Scale
. Mixo-Dorian Blues Scale
. Minor natural scale (or Aeolian modal scale)
. Major natural scale (or Ionian modal scale)
. Modal scales:
.. Ionian mode
.. Aeolian mode
.. Dorian mode
.. Phrygian mode
.. Lydian mode
.. Mixolydian mode
.. Locrian mode
. Other, Harmonic, Melodic, Bebop, Arabic, Egyptian, Greek scales…

** … you can find the complete list of scales on the application page ***

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*** If you prefer, you can try the free version! ... find it in the app store as "Blues Harp Hat Lite" ***

What’s new

Version 2.2 · Updated July 28, 2025

Learn musical scales on the diatonic harmonica in a practical and fun way. Explore all keys and positions with this agile, intuitive app, compatible with all Android versions, even the latest ones. Boost your practice sessions with this effective and always-on tool!

User reviews

x x
x x
That's a lot of scales. I hope this thing works on 480p.

Alternatives to Blues Harp Hat

Looking for apps like Blues Harp Hat? Here are 2 similar Android apps on Google Play. 1 of the 2 are free to download.

Blues Harp Hat vs. alternatives
App Rating Price Installs Last updated Compare
Blues Harp Hat – $2.99 10+ Jul 28, 2025
Guitar Scales Patterns Lite – Free 5,000+ Jul 28, 2025 Compare
Guitar Scales Patterns Plus – 2.99 USD 100+ Jul 28, 2025 Compare

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