This is the first in my (likely to be continued) series of obscure video game tunes that, despite their awesomeness, largely went ignored.
To start off, here's the Options / Game Over theme from Sega's "Daffy Duck in Hollywood", released for the Sega Mega Drive in PAL territories, composed by Matt Furniss. This one's obscure on a number of counts:
1. It was only released in Europe and Australia; despite the fact that the cartridge is fully compatible with the NTSC Sega Genesis, it was never released in North America.
2. Even in the countries where it *was* released, it was somewhat of a sleeper.
3. Most importantly, who spends 2 minutes on the options screen? This may be the most elaborate music I've ever heard in an options menu. It's like the programmers wanted an elaborate tune for an actual level, that level ended up getting dropped, and they decided just to stick it on the options screen so as not to waste it.
EDIT: We now have it from the composer himself (see the comments) - this was indeed intended for a scrapped level, and stuck on the options screen when that fell through.