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Bb Minor Pentatonic Melody Generator — Free MIDI

Roll Bb Minor Pentatonic melodies from Bb, Db, Eb, F, Ab and download the MIDI. Set the contour and density, keep the ones you like. Free, no sign-up.

Melody: 16 notes over 4 bars, arch contour, medium density.
Notes: Bb4 – Db5 – Eb5 – Ab5 – F5 – Db5 – F5 – Ab5 – Eb5 – Db5 – Eb5 – Db5 – Bb4 – Db5 – Eb5 – Bb4

Fourths dominate the shape, so melodies move in leaps more than steps; repeating one cell at two different scale positions is the backbone of most rock and hip-hop hooks. Five notes from the natural minor with the second and sixth removed. Like its major cousin it has no semitones, so every note works over a minor chord. In Bb Minor Pentatonic that plays out over Bb, Db, Eb, F, Ab — 5 flats (Bb, Eb, Ab, Db, Gb). Set a contour and a density, roll until a line catches your ear, and download exactly what you heard as MIDI.

The notes of the Bb Minor Pentatonic scale

Degree1b345b7
NoteBbDbEbFAb

Key signature: 5 flats (Bb, Eb, Ab, Db, Gb).

Step pattern

  • W+H
  • W
  • W
  • W+H
  • W

W is a whole step (two semitones), H a half step (one), W+H a three-semitone jump. The pattern adds up to the octave.

Bb Minor Pentatonic on the keyboard

FDbEbAbBb

The tonic is the darkest key; every other highlighted key belongs to the scale.

Related keys

Where the Minor Pentatonic scale is used

rock and blues leads, hip-hop hooks, grime, and riff writing of nearly every kind.

How it works

Pick a key and scale, then roll melody until something catches your ear. The generator writes each line note by note: it favours stepwise motion over leaps (the way most memorable melodies move), follows the contour you choose — rising, falling, arching, or wandering — packs the bars according to the density setting, leaves the occasional breath of rest, and always resolves to the tonic on the final note. Press play preview to hear the exact notes the download writes. This page arrives preset to Bb Minor Pentatonic, so every roll stays inside Bb, Db, Eb, F, Ab and lands on Bb.

What can you do with a melody MIDI file?

  • Drop it onto any instrument track in your DAW as a topline, hook, or counter-melody starting point.
  • Edit the notes on the piano roll — keep the phrase you like, rewrite the rest.
  • Roll a few variations in the same key and splice the best bars together.

A generated melody is a starting point, not a finished song. For complete arrangements — melody, chords, bass and drums that belong together — open the MIDI Maker studio and generate a full track in Bb Minor Pentatonic.

Minor Pentatonic melodies in every key

More melody scales starting on Bb

Or head back to the melody generator to build any combination yourself.

Keep building: scales, chords and drums

Frequently asked questions

What notes will a Bb Minor Pentatonic melody use?

Every generated melody draws only from the Bb Minor Pentatonic scale — Bb, Db, Eb, F, Ab, which is 1 b3 4 5 b7 against the major scale — across roughly an octave and a half starting at Bb4, and always resolves to the tonic Bb on its final note.

What makes a melody sound like Minor Pentatonic rather than any other scale?

Fourths dominate the shape, so melodies move in leaps more than steps; repeating one cell at two different scale positions is the backbone of most rock and hip-hop hooks.

Can I control the shape of the melody?

Yes — the contour control biases the melody rising, falling, arching, or wandering, and the density control (sparse, medium, busy) sets how many notes it packs into each bar. Every press of "Roll melody" generates a fresh line with those settings.

Is the generated Bb Minor Pentatonic melody royalty-free?

Yes — each melody is generated on your device by weighted chance, not by a model trained on anyone else’s music, so it is yours to keep and royalty-free for personal and commercial projects.

Want full tracks, not just melodies?

The MIDI Maker studio rolls complete, editable arrangements — melody, chords, bass and drums — you can export to any DAW. Free, in your browser.

Open the Studio — Free