Alternatively, you could upload it to a PC and try opening it with the free TuxGuitar app (there is an Android TuxGuitar app but it unfortunately doesn't support GPX). Another alternative is to create a free account on soundslice.com and upload the file there to see if SoundSlice can open it. I've just tried both of these things successfully with my GPX file. Source: about 1 year ago

Hey, kudos from a fellow developer who's also built a sheet-music rendering engine (JavaScript, in my case, for soundslice.com). Source: over 1 year ago

In such a situation I would type it into 'soundslice.com' (it does not cost money) and listen to it there, it can also be slowed down. It might help to clarify, good luck. Source: over 1 year ago

You can also use soundslice.com with youtube videos. Source: almost 2 years ago

I also highly recommend soundslice.com for transcription. You can loop over segments and slow down to 25% without distortion (pitch stays the same). Source: about 2 years ago

Synthesia https://synthesiagame.com/ As a vistual learner and grapgical thinker, those music score on paper are all bullshit to me. Only this can help me out. You can import your own MIDI into it. Practice the shit out of it and at least can play 1 or 2 fairly advanced songs. - Source: Hacker News / 4 months ago

I suggest using Synthesia instead. Doesn't require a VR headset, is not made by Facebook, and does the same job. Source: 6 months ago

I've got Synesthesia installed, which is pretty good (and has a free version) but doesn't show hand positions and has a limited number of song options. Source: 8 months ago

Synthesia has done this exact solution for well over a decade now. But there’s also the option to read generated sheet music and adjust the playback and gradung in many ways. https://synthesiagame.com/. - Source: Hacker News / 9 months ago

If you have a keyboard try using Synthesia! Source: 12 months ago