Installation: 
1. Extract "CorridoGuitarra" archive 
2. Use Open IV and click ''edit mode''
3. Go go to x64/audio/sfx/STREAMS.rpf or mods/x64/audio/sfx/STREAMS.rpf 
(Recommend to install it to the mods folder in OpenIV)
4. Replace the "ambient musician guitar.awc" file inside the "STREAMS.rpf" with the one provided.
5. Enjoy (Can be manually enabled via Menyoo scenario)