during the Tapeworm sessions; the track being written by Lohner and re-arranged by Clouser, with lyrics and melody by Keenan and chorus and backing vocals by Reznor. The song was first performed live by A Perfect Circle throughout their 2001 tour. MTV reported that Reznor was apparently not happy that Keenan performed the song: "I have to admit I find it mildly irritating for "Vacant" to debut in this fashion before feeling it has been properly realized," Shortly after the dissolution of the Tapeworm project, Keenan released a reworked version on A Perfect Circle's 2004 cover album Emotive under the title "Passive". Another side-project of Maynard James Keenan, Puscifer, released an album titled "C" Is for (Please Insert Sophomoric Genitalia Reference HERE) with a song, "Potions (Deliverance Mix)," which had writing credits given to Trent Reznor. In response to rumors that Keenan released a Tapeworm song without any changes made, a blog was posted on the home page of the main Puscifer website on November 18, 2009 saying that: Later Keenan delved further into the issue on his Twitter account only nine hours after the initial blog had been posted. Keenan essentially confirmed the song's origins in the Tapeworm project while also confirming that the song was covered and released by Puscifer in the same fashion as A Perfect Circle did with "Passive," saying the following: References External links nin.com − official Nine Inch Nails website A Perfect Circle.com – official A Perfect Circle website American rock music groups American supergroups Musical groups established in 1995 Musical groups disestablished in 2004 Rock music supergroups