This is The Uneven Staircase, which I did for the Disquiet Junto challenge #567. It requires you to write a piece that uses 5/8, 6/8, and 7/8 time. I did that by writing a riff that has a 5, 6, and a 7 part glued together so that it has a total of 18 eighth notes worth of time. So, the drums just play in 3/4 most of the time (9 quarter notes or 18 eighth notes can fit in three bars of 3/4.)
I also did the Spinal Tap Big Bottom thing where I just have all basses and no guitars. (I tried way too hard to wring out a guitar part last night because I forgot a lesson which otherwise saves me a lot of time: I can't come up with riffs on the spot by jamming. I can come up with stuff on the spot by sequencing sometimes, though.)
The whole thing ended up too normal so I have a section in which some of the parts change tempo, but some don't.
There's a lot I wish was better here, but I still find the ending funny.