[5] While in Kenya, he and his brother Christer Espevoll grew an affinity for heavier music, with Peter citing Jerusalem as his first interaction with the genre.
[5] Later, bands such as Barren Cross, Stryper, Vengeance Rising, Deliverance, Tourniquet, and Living Sacrifice would hold an influence in his life.
[8] During the band's hiatus, Espevoll spent some time in a Mental Facility, due to dealing with stress and anxiety.
During Extol's hiatus, Espevoll quit the band due to other commitments, leaving Husvik and Borud as sole members.
[12] In late 2020, Espevoll created a new project alongside filmmaker and musician Åsmund Janøy, called Hrada.