There's a lot of fun commentary and insight in this 10 minute video about SNES games with odd time signatures and I invite you to read it all. OR you can just hit play and enjoy the aural madness.

Even if you're not a fan of much "chiptune" music, you gotta admit that the musicians involved with these compositions deserve some high praise. The limitations of these systems were quite limiting and they've done so much with it! Amazing.