I'm not sure of your tech stack.

It could be as simple as hitting record on your phone & uploading an audio file.

You could also record video & then swap out the video part for a static image in a simple video editing app. 

 Your songs on that beautiful steel stringed acoustic guitar were amazing. 

 I’ll look into some options. 

I think right now I have a lot less bandwidth than normal, but I’m sure I can come up with a solution