Auto-generated chord chart from YouTube analysis
Tutti is a free tool that analyzes a YouTube link or audio/video file to detect the key, tempo (BPM), time signature and chord progression, then builds guitar chord charts and TAB. Results are shown with a playback cursor so you can play along.
A chord progression lists the chords in the order they change. At each chord name (e.g. G, Em, C), fret that chord and strum in time.
Guitar chord chart for BTS (방탄소년단) ‘SWIM’ Official MV. Tutti analyzed the YouTube audio to extract key D Major, 94 BPM. a progression of 20 chords. Check the progression, each chord's notes and practice tips, then play along with the cursor in the Tutti app.
“BTS (방탄소년단) ‘SWIM’ Official MV” runs at 94 BPM in 4/4, in D Major. The chart spans 88 bars and uses 20 distinct chords, changing roughly every 3.3 seconds.
13 of the chords need a barre (Bm, Bm7, C#, C#7, C#m, C#m7, C#sus4, Cm, D#m7, D6, F#m, Fm, G#m7), so this sits at a upper-int. level.
With a capo on fret 2 you can play it with G · Am · Am7 · A# · B · B7 … shapes instead — 9 of 20 become open chords.
Start around 66 BPM with a metronome and work up to 94.
Tempo drifts by about ±12.2 BPM — steady enough to practise to a click.
Dynamic range is 27 dB — a wide swing, with 21% of the song played quietly.
Balance of the mix: Bass 36%, Drums 25%, Vocals 23%.
The vocal sits between E2 and A♯5 (centred on A3), which helps if you are picking a key to sing in.
The Roman numeral on each chord shows its function relative to the key, revealing the harmonic flow.
