-- manage music
	-- manage i am error
	if Room:GetType() == RoomType.ROOM_ERROR then
		SMB8th:SpecialPlay(Isaac.GetMusicIdByName("error"), false)
	-- manage super secret room
	elseif Room:GetType() == RoomType.ROOM_SUPERSECRET then
		SMB8th:SpecialPlay(Isaac.GetMusicIdByName("supersecret"), false)
	-- manage boss rush
	elseif Room:GetType() == RoomType.ROOM_BOSSRUSH
	 and Room:IsAmbushActive() then
		SMB8th:SpecialPlay(Isaac.GetMusicIdByName("bossrush"), true)
	-- manage challenges
	elseif Room:GetType() == RoomType.ROOM_CHALLENGE
	 and Room:IsAmbushActive() then
		if Level:HasBossChallenge() then
			SMB8th:SpecialPlay(Isaac.GetMusicIdByName("bosschallenge"), true)
		else
			SMB8th:SpecialPlay(Isaac.GetMusicIdByName("regularchallenge"), true)
		end
	-- manage black market
	elseif Room:GetType() == RoomType.ROOM_BLACKMARKET then
		SMB8th:SpecialPlay(Isaac.GetMusicIdByName("blackmarket"), false)
ETC.