One by Metallica
One by Metallica runs at 123 BPM in 4/4 and is in the key of B minor. It is built on 6 chords — E5, F5, Bm, Gmaj7, G, G5. Released in 1989.
✓ Key sourced from the McGill Billboard Project's expert chord annotations — not auto-detected. See how we verify →
What to watch for
At least one shape here is a full barre — one finger pressing all six strings, no open strings to lean on. Fret it unplugged first; if a string buzzes, it's the barre, not the chord. Some of these are power chords — just the root and fifth, no third — which is why they sit cleanly under distortion without fighting the vocal's major or minor feel.
Practice at the right tempo
This song sits at 123 BPM. Start at 60% until the changes are clean — speed is a by-product of accuracy, not a goal.
Learn the theory
Play it on a live fretboard
Every shape, every voicing, and the scale that fits over them — on a board you can hear. Then just talk to it: Melody Monkey's personal music teacher controls the fretboard, so ask for a chord, a scale, a progression, or why any of it works, and watch it land under your fingers. Free to start.
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Frequently asked questions
What key is One in?
One is in B minor, sourced from the McGill Billboard Project's expert chord annotations — not auto-detected.
What tempo is One?
One runs at 123 BPM (beats per minute).
What chords does One use?
One is built on 6 chords: E5, F5, Bm, Gmaj7, G, G5.
Does One need barre chords?
Yes — at least one shape is a full barre (one finger across all six strings). Everything else on the page is a standard open shape.
What tuning is One in?
This recording sits about 23 cents flat of concert pitch (A=434.2Hz, not 440Hz). Tune to the track or you'll fight it the whole way.