Originally part of the road crew for fellow countrymen CELTIC FROST, CORONER went on to become one of the most progressive extreme metal acts of the Eighties. The connection between the Zurich band and CELTIC FROST was so strong, in fact, that CELTIC FROST frontman Tom G. Warrior offered to handle vocals for the emerging band's demo. Warrior and CORONER entered Switzerland's Magnetix studio on October 10, 1985, and nine days later they walked out with the impressive four-song 1986 release, "Death Cult". While subsequent bootlegged CDs included the bonus tracks of "Arrogance in Uniform" and "Hate, Fire, Blood", the original four-track demo consisted of the following tracks: "Spectators of Sin", "Spiral Dream", "Aerial Combat" and "The Invincible". (Only "Spiral Dream" would make it onto CORONER's 1987 debut LP, "R.I.P.")

According to The BNR Metal Pages, CORONER "progressed from the raw speed of 'R.I.P.' to the more laidback style of 'Grin', releasing five albums (not counting the semi-compilation 'Coroner' album) that are all different and yet all are undeniably related, and undeniably CORONER. The band called it a day in 1994, actually before the release of 'Coroner', with Marky Edelmann joining APOLLYON SUN and Tommy T. Baron going to KREATOR, though neither is still with those bands."