TRYCKVÅG ("Shockwave"), hailing from Mora, saw assembly during 1978 as a trio of vocalist / guitarist Mats 'Attaque' Håkansson, bass player Mikael Höglund and drummer 'Tom P' (a.k.a. Tomas Broman). A solitary single, 'Stay The Night', saw issue in 1985. A collection of demos, dubbed 'Demolition', was released in album form by Haban Records in 1999.