{{expand}}''Untitled Mixtape'' was a mixtape given out by [[Trent Reznor]] at a party in 1993. It contains Reznor's remixes of songs by Queen and Megadeth, in addition to many [[Nine Inch Nails]] remixes. The NIN tracks have all been released previously on official [[Halo numbers|Halos]].
Reznor was one of several people commissioned by Hollywood Records to remix Queen songs for a remaster campaign, but his mixes were never used. This "Stone Cold Crazy" was released on several promo CDs in 1992. But this is the earliest known source for his remix of "Tie Your Mother Down". It , which was only officially released much later included in 1999 on a Queen promotional CD-R entitled ''The Unauthorized Club Record'', which was put out by Hollywood Records in 1999.