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 aespa 에스파 'Supernova' MV. Tutti analyzed the YouTube audio to extract key F Major, 120 BPM. a progression of 18 chords. Check the progression, each chord's notes and practice tips, then play along with the cursor in the Tutti app.
“aespa 에스파 'Supernova' MV” runs at 120 BPM in 4/4, in F Major. The chart spans 91 bars and uses 18 distinct chords, changing roughly every 1.8 seconds.
9 of the chords need a barre (A#m, B, C#, D#, D#7, D#m, F7, Fm, G#m), so this sits at a advanced level.
Start around 84 BPM with a metronome and work up to 120.
Tempo swings by ±16.2 BPM, so follow the recording rather than a metronome.
Dynamic range is 26 dB — a wide swing, with 8% of the song played quietly.
The first chord lands at 9s, so there is a short intro before you come in.
Balance of the mix: Drums 36%, Bass 28%, Vocals 25%.
The vocal sits between D♯3 and A♯5 (centred on E4), 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.
