Bruce Sagan has written a polska in memory of Matt. He has graciously given us a teaching video and transcription to share with you all. Bruce plays the melody once through at tempo, then slow, medium, and then back up to tempo. The slow version of the A part is at 1:48 and the B part is at 2:34.
Polska till Matt by Bruce Sagan
Here is an audio track taken from the video:
And here is his PDF of Bruce’s transcription.