4/2/2024 update: Removed all other parts. Listen to the full collab with my part included here.

Gochisou-sama deshita (You were a feast). (Such is their custom after eating.)

Things I Did to the Song:
Added Sheets 63, 64;
Merged Sheet 3 into Sheet 2;
Merged Sheets 6-7 into Sheet 5;
Merged Sheet 15 into Sheet 9;
Edited Sheet 10;
Merged Sheets 19-20 into Sheet 18;
Merged Sheet 22 into Sheet 21;
Merged Sheets 26, 23 into Sheet 25;
Edited Sheet 27;
Merged Sheets 30-31 into Sheet 29;
Laughed at Sheet 32;
Merged Sheets 34-36 into Sheet 33;
Merged Sheet 40 into Sheet 39;
Merged Sheets 42-45 into Sheet 41;
Accompanied Solo in Sheets 54-55;
Laughed at Sheet 32;
Merged Sheets 61-62 into Sheet 60;
Edited Sheets 3, 6, 7, 8, 9;
Edited, Added “Community Collab 2012” to Sheet 0;
Edited, Added “Starring” to Sheet 1;
Laughed at Sheet 32.

tl;dr: Did a lot of merging.