What you get
This is real output. Nothing has been cleaned up. The riff is 29 notes, and we know each one because we made the recording ourselves for testing.
Bars 1–2 e|------------------------------------------------|-------------------0-----------------0-----3----| B|-------------------------0----------------------|-------------1-----------1----------------------| G|-------------------0-----------0----------------|-------0-----------------------0----------------| D|-------------2-----------------------2----------|------------------------------------------------| A|-------2-----------------------------------2----|-------3----------------------------------------| E|-0----------------------------------------------|------------------------------------------------| Bars 3–4 e|-------------------------5-----------2----------|------------------------------------------------| B|-------------------7-----------------------3----|-------------------------------------0----------| G|-------------7----------------------------------|-------------------------0-----2----------------| D|-0-----7----------------------------------------|------------------------------------------------| A|------------------------------------------------|-2----------------------------------------------| E|------------------------------------------------|-0----------------------------------------------|
How the conversion works
- It reads your file and turns it into sound data, on your device.
- It hears the notes. Spotify's open-source Basic Pitch model lists each pitch and when it starts.
- It finds the beat and the key from where those notes fall.
- It picks strings and frets. The same note can be played in several places, so BeatMap looks for positions your hand can reach from one note to the next.
How accurate is it?
Most converters just say “accurate”. Here is what we measured.
| Clean file, 64 known notes | Found | Written in total |
|---|---|---|
| Solo guitar | 63 | 150 |
| Full band | 24 | 174 |
So the honest rule: the less is playing besides the guitar, the better your tab. If your stereo file has the guitar panned hard to one side, signed-in users can turn on “Guitar on the sides”, which sometimes helps a lot and sometimes makes it worse.
Get a cleaner tab
- Trim to the part you want. An intro or a riff on its own beats a whole song.
- Use the cleanest version you can find: an acoustic take, a guitar-only track, or a lesson video's audio you have the right to use.
- Pick the right tuning first. BeatMap writes in standard, Drop D or half-step down. Change it in Settings.
- Expect to fix things by ear. Play along, and stop where it sounds wrong.
Only have a link? See how YouTube to guitar tab works. Still choosing an app? Here are the five AI tab generators compared.