Disco · A Major · 126 BPM
8-bar arrangement from the “September Vibes” demo, transposed from E major to A major, at 126 BPM. Chord chart, scale positions and practice drills for A major.
Open in the app · A · 126 BPMHear the disco feel: “September Vibes” · E major · 126 BPM
This recording is the original “September Vibes” demo in E major at 126 BPM. It is not transposed: it lets you hear the disco feel. The app generates your track in A major.
8-bar arrangement from the “September Vibes” demo, transposed from E major to A major. Count four beats per bar; each card shows where the chord starts.
Chart of the bundled demo arrangement, transposed from E major with every interval kept. The demo's inspiration prompt is a style reference, not a transcription of a song.
The app opens with the style, key, tempo and this chart filled in; press Generate to create your track (it counts toward your daily generations). The original demo opens the recorded arrangement without a generation.
Disco lives on the I–ii vamp with maj7 / m7 extensions. Four-on-the-floor under it.
Three scales that sit well over disco in A major. Each one gives the line a different color — try them all and notice what changes.
Five-fret windows in standard tuning, anchored on A on the low E string. Highlighted notes are the root.
| String | fret 4 | fret 5 | fret 6 | fret 7 | fret 8 |
|---|---|---|---|---|---|
| e | A | B | |||
| B | E | F# | G | ||
| G | B | C# | D | ||
| D | F# | G | A | ||
| A | C# | D | E | ||
| E | A | B |
| String | fret 4 | fret 5 | fret 6 | fret 7 | fret 8 |
|---|---|---|---|---|---|
| e | A | B | |||
| B | E | F# | |||
| G | B | C# | |||
| D | F# | A | |||
| A | C# | E | |||
| E | A | B |
Play only the root on the first beat of each change: A (bar 1, Amaj7), F# (bar 2, F#m7), D (bar 3, Dmaj7), E (bar 4, E7), A (bar 5, Amaj7), F# (bar 6, F#m7), D (bar 7, Dmaj7), E (bar 8, E7). Keep counting through every bar that holds the same chord; the form resolves back to A.
When each chord arrives, land on its third and hold it for a beat: C# over Amaj7, A over F#m7, F# over Dmaj7, G# over E7. Then repeat with the seventh (see the table) to hear how the line leads into the next chord.
Play A Mixolydian (A B C# D E F# G) up and down in frets 4–8, one note per beat at 126 BPM. Start and finish on A: 6th string fret 5, or 5th string fret 0 for the next position up.
| Chord | Root | 3rd | 7th / 6th |
|---|---|---|---|
| Amaj7 | A | C# | G# (7) |
| F#m7 | F# | A | E (b7) |
| Dmaj7 | D | F# | C# (7) |
| E7 | E | G# | D (b7) |
Chord chart, scale positions and practice drills in the keys disco is most often played in.
Open the app with Disco, A, 126 BPM and this chart pre-filled. Press Generate when you are ready.
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