Green Hill Zone (Sonic 1, Genesis)
Tropical Resort (Sonic Colors, Wii)
Emerald Coast (Sonic Adventure, Dreamcast)
Flying Battery Zone (Sonic & Knuckles, Genesis)
Ice Cap Zone (Sonic 3, Genesis)
I heard about this a while ago. Without the Commodore 64, some of my favorite composers and biggest inspirations wouldn't have discovered an art they love so much.
RIP Jack Tramiel.
Yeah, you can post covers here for feedback. Just make sure you clarify that they're covers, not ReMixes, and that you don't plan on submitting them to OCR.
I do both. When I have a spot that screams "You need a solo over this," I'll improvise for a while. A long while. Then, I'll start to piece together a solo that I like through countless tries at improvisation, effectively making it a composed solo.