Sonic 2's special stage theme i the grooviest sh*t ever
But honestly I think sonic CD's special stage is better than sonic 2's bonus stage ~ {Sᴇɴᴅ Mᴇ Bᴀᴄᴋ Mʏ Eᴛᴄʜ A Sᴋᴇᴛᴄʜ™}