Chords of: Alcatraz by: O.S.T.R.. (Em7, Am7, Em, A7) are the main chords of the song. The chords are displayed instantly in real-time with a YouTube player, four synced views, instrument diagrams, loop practice and a built-in vocal-remover mixer.
“Alcatraz” by O.S.T.R. is in E Minor and runs at about 69 BPM, giving it a slow, laid-back feel. Our analysis found 26 different chords across 94 chord changes; the ones that carry the song are Em7, Am7, Em, A7.
Am7 is the chord you will hold longest — roughly 40% of the 2:58 the chords were tracked for. The song opens with Am7 → Em7 → Am7 → Em → Am7 → G → Am7 → Em. Play the timeline above to hear each change land in real time.
Difficulty: intermediate — 5 main chords including 3 extended or barre voicings. Guitarists can play it as written — E Minor sits in open-chord territory, no capo needed.
| Chord | Time held | Share |
|---|---|---|
| Am7 | 1:11 | 40% |
| Em | 0:28 | 16% |
| Em7 | 0:18 | 10% |
| A7 | 0:16 | 9% |
| G | 0:12 | 7% |
| E7 | 0:05 | 3% |
| Am6 | 0:04 | 2% |
| G6 | 0:04 | 2% |
Am7 – Em7 – Am7 – Em – Gmaj7 – Am7 – G – A7 – Em – G – Am7 – Em – Gmaj7 – Am7 – G6 – Am7 – Em – G – Am7 – Em – Am7 – Bb6 – Em – A7 – Bb7 – Em7 – A7 – D6 – Am7 – D7 – Ebmaj7 – Em6 – D – E7 – Am – Am6 – Em7 – Am7 – G – A7 – G – Am7 – Em7 – Am7 – Em7 – F7/A – E7 – F/A – …
