HarmonyHub

Virtual harmonica: play the mouth organ online

Play a harmonica, also called a mouth organ or blues harp, with your number keys. Choose a standard, blues, chromatic or tremolo harmonica and play its eight holes.

The blues harp adds a natural pitch bend for that classic blues sound, and song guides for Happy Birthday and Amazing Grace help you get started.

How to play the harmonica with your computer keyboard

  • Number keys 1–8 play holes 1 to 8.
  • Pick the blues harmonica for automatic note bends.
  • Adjust breath intensity and tone colour in the sound controls.

What you can do on the virtual harmonica

  • Standard, blues, chromatic and tremolo harmonicas
  • Automatic blues bends on the blues harp
  • Breath intensity and tone colour controls
  • Song guides for Happy Birthday and Amazing Grace
  • Record your playing

4 harmonica types to choose from

  • Standard Harmonica: The everyday diatonic mouth organ for folk tunes and first melodies, played with the number keys.
  • Blues Harmonica: A gritty, expressive tone for blues licks and wailing bends.
  • Chromatic Harmonica: A smooth, full tone used for jazz and classical melodies.
  • Tremolo Harmonica: Paired reeds tuned slightly apart give its wavering, shimmering sound, loved in East Asian folk music.

Frequently asked questions

How do I play harmonica on a keyboard?

Press the number keys 1 to 8 to play the eight holes of the harmonica.

Is the virtual harmonica free?

Yes. The harmonica is free to play in your browser with no download and no sign-up. You can record and save favourites without an account; a free sign-in adds music rooms and Google Drive backup.

Is a harmonica the same as a mouth organ?

Yes. Mouth organ is another name for the harmonica, common in India and the UK. Blues players often call it a harp.

Harmonica types

Related instruments

What else you can do with the virtual harmonica

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