Standards

Thelonious chords & key

Key
B♭ major
Form
AABA
Bars
36
Groove
Medium swing
Time signature
4/4

“Thelonious” is a jazz standard by Thelonious Monk. It is usually played in B♭ major as a medium swing, and the 36-bar AABA form has 4 sections. Harmonically it contains 2 major ii–V–I cadences, uses 20 different chords.

Chord changes

Showing in: Concert (C) — B♭ major

A
B♭A♭7
G♭7F7sus
E7♭5E♭7
D7♯5D♭7
C7susF7sus
G♭B7♭5♭9
1.
B♭7E♭7
G♭7F7
2.
B♭7E♭7
G♭7F7
Cm11F7
B♭maj7
B
D7
E♭m7A♭7
D7♯5
D♭7
D♭9
G7♯5
C7♭5
F7sus
A
B♭A♭7
G♭7F7sus
E7♭5E♭7
D7♯5D♭7
C7susF7sus
G♭B7♭5♭9
B♭7E♭7
G♭7F7
Cm11F7
B♭maj7

Changes as commonly played (concert pitch). Your band's version may differ.

Harmonic analysis

2Major ii–V–I
0Minor ii–V–i
3ii–V moves
0Tritone substitutions
8Dominant chains
20Different chords

Most used chords

  • F7sus×7
  • G♭7×6
  • E♭7×6
  • F7×5
  • A♭7×4
  • D7♯5×4

Characteristics

  • AABA song form

Frequently asked questions

What key is Thelonious in?

Thelonious is usually played in B♭ major. For B♭ instruments that is C major, for E♭ instruments G major.

Who wrote Thelonious?

Thelonious was written by Thelonious Monk.

What is the form of Thelonious?

Thelonious has 4 sections (AABA) with 36 bars in total.

How fast is Thelonious played?

The usual groove is Medium swing.

What are the chord changes to Thelonious?

The opening bars are Bb Ab7 | Gb7 F7sus | E7b5 Eb7 | D7#5 Db7. The full chart above can be transposed to any key.