Hey what's up! I'm Max, sousaphone player of Analog Brass, I transcribed this as part of a work share collaboration at Reginald's request, hope you like it!
We do not own the music no, but you can download the transcription here!
https://drive.google.com/open?id=1SdmBSlVaB0TMWqkbIs5JhWZgKbzXv7YV
Be sure to support the original creators!