Chord sequence

Bm7b5, Bb7#11, Am6

Bm7♭5 B♭7♯11 Am6

120 BPM
Voicing family

Four-note rootless voicings in their two forms, with the 3rd or the 7th on the bottom, played over the root.

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Analysis

Heard in A minor

Each chord's roman numeral and role in A minor
Chord Numeral Role
Bm7♭5 iiø7 Subdominant
B♭7♯11 subV7♯11 Tritone substitute for V7
Am6 i6 Tonic

Scales to play