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 Love Letter (Feat. Loco). Tutti analyzed the YouTube audio to extract key F# Major, 79 BPM. a progression of 9 chords. Check the progression, each chord's notes and practice tips, then play along with the cursor in the Tutti app.
“Love Letter (Feat. Loco)” runs at 79 BPM in 4/4, in F# Major. The chart spans 61 bars and uses 9 distinct chords, changing roughly every 2.2 seconds.
9 of the chords need a barre (A#m, C#, D#m, D#m7, F#, F#m, F#m6, F#maj7, G#), so this sits at a upper-int. level.
With a capo on fret 1 you can play it with Am · C · Dm · Dm7 · F · Fm … shapes instead — 7 of 9 become open chords.
Start around 55 BPM with a metronome and work up to 79.
Tempo swings by ±21.5 BPM, so follow the recording rather than a metronome.
Dynamic range is 11 dB — held fairly even throughout.
Balance of the mix: Bass 39%, Vocals 27%, Drums 23%.
The vocal sits between A♯2 and F4 (centred on A♯3), 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.
