sentences:  They were performed by Heafy, Smith, Sneap, Chad Sunderland and Gizz Butt.Following its inclusion on "Ascendancy" in March 2005, "A Gunshot to the Head of Trepidation" was released as a promotional single in May 2005 featuring an edited version of the track.The song was included on the 2005 "Ozzfest Summer Sampler" CD, before the band's performance of the track at the festival was included on the "Ozzfest 10th Anniversary" live video album released later in the year.