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How Long Has This Been Going On?: easy piano accompaniment in letter notes

By Horace Silver

  • G major
  • 2/2
  • 80 BPM
  • 1927
  • Easy
Tuning the piano…
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Left hand Hopscotch stepsRight hand Wait-a-beat chordsChords from the chord symbols in the score

Play the full song with sheet music

The accompaniment with every note named, bar by bar: the bar sheet shows each note as a bar on the staff with its letter inside, so you can accompany How Long Has This Been Going On? without reading music. The left hand plays hopscotch steps (root bass · 1 · 2 · 4) and the right hand wait-a-beat chords.

The catchy part of How Long Has This Been Going On? in letter notes

The real notes from a score, both hands, bar by bar. R is the right hand, L the left; C4 is middle C.

Bar 1
D7
RF#4+B4+D5 E5 E5 Bb4 A4
LD3+C4 D3 D3
Bar 2
Ddim
RF4+Ab4+E5 D5 D5 A4 Bb4
LD3+B3 D3 D3
Bar 3
D7 → G7
RF#4+B4+D5 F#4+B4+E5 F#4+Bb4+E5 F4+A4+D5
LD3+C4 D3+C4 D3+C4 G3+B3
Bar 4
C7 → Cm7
RBb3+E4+A4 G4 G4 Eb4
LC2+C3 C3 C3

How Long Has This Been Going On? accompaniment in letter notes

The D7 – Ddim – D7 – G7 – C7 – Cm7 loop with hopscotch steps in the left hand and wait-a-beat chords in the right. Notes struck together are joined with a plus; C4 is middle C.

Bar 1
D7
RF#4+A4+D5 F#4+A4+D5 F#4+A4+D5
LD2 D3 D3
Bar 2
Ddim
RF4+Ab4+D5 F4+Ab4+D5 F4+Ab4+D5
LD2 D3 D3
Bar 3
D7 → G7
RF#4+A4+D5 F#4+A4+D5 B4+D5+G5
LD2 D3 G3
Bar 4
C7 → Cm7
RE4+G4+C5 C4 D4 E4 F#4 G4 A4 B4 C5
LC3 C4 C4
Bar 5
D7
RF#4+A4+D5 F#4+A4+D5 F#4+A4+D5
LD2 D3 D3
Bar 6
Ddim
RF4+Ab4+D5 F4+Ab4+D5 F4+Ab4+D5
LD2 D3 D3
Bar 7
D7 → G7
RF#4+A4+D5 F#4+A4+D5 B4+D5+G5
LD2 D3 G3
Bar 8
C7 → Cm7
RE4+G4+C5 E4+G4+C5 Eb4+G4+C5
LC3 C4 C4

How to read the bar sheet

The player above shows the treble staff (right hand) over the bass staff (left hand). Every note is a bar as long as it sounds, at its place on the staff, with its name inside, and the music scrolls past a line that marks now. The chord names run along the top.

Start with the left hand alone at a slow speed, then the right, then both. When the letters feel easy, try the sheet music.

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Questions about How Long Has This Been Going On?

What are the letter notes for the How Long Has This Been Going On? piano accompaniment?

Bar by bar, both hands: the bar sheet on this page names every note of the accompaniment (C4 is middle C) and plays along. The loop is D7 – Ddim – D7 – G7 – C7 – Cm7, so the letters repeat with the chords.

What chords are in How Long Has This Been Going On??

The loop is D7 – Ddim – D7 – G7 – C7 – Cm7 (V7 – v° – V7 – I7 – IV7 – iv7) in G major, and the song ends on G – C – G.

What key is How Long Has This Been Going On? in?

G major, at about 80 beats a minute in 2/2.

What does the left hand play in How Long Has This Been Going On??

Hopscotch steps: root bass · 1 · 2 · 4, an easy pattern. It follows the chords, so the same shape works for every bar.

Is How Long Has This Been Going On? easy to play on piano?

Yes. Both hands play easy patterns over 6 chords. Learn the chords first, then add one hand at a time.

Can I hear the real melody of How Long Has This Been Going On??

Yes: "The part you know" plays the catchy part of the song from a score, with both hands.

Made from 3 arrangements of this song: the left and right hands are the patterns these scores repeat most.