A piano reference: chords, scales, theory. Full MIDI.
F Dominant 13th
Notes: F - A - C - E♭ - G - B♭ - D | Degrees: 1 - 3 - 5 - ♭7 - 9 - 11 - 13 | Written: F13
Construction: Root, Major 3rd, Perfect 5th, Minor 7th, Major 9th, Perfect 11th, Major 13th
Construction
F Dominant 13th = Root + Major 3rd + Perfect 5th + Minor 7th + Major 2nd + Perfect 4th + Major 6th = F, A, C, E♭, G, B♭, D
Note
Interval
Degree
F
Root
1
A
Major 3rd
3
C
Perfect 5th
5
E♭
Minor 7th
♭7
G
Major 2nd
9
B♭
Perfect 4th
11
D
Major 6th
13
Key Signature
A dominant chord points home to the key a fifth below its root: the F Dominant 13th is the V (dominant) of A♯ Major, so the relevant key signature is that key's — 2 flats (B♭, E♭). Spelled as a scale, these notes are F Mixolydian.
B♭E♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic:Battle Ends And Down Goes Charles’ Father
Chords in the Key of F Major
These are the triads built on each degree of F Major:
The notes F – A – C – E♭ – G – B♭ – D aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell the following: