During the 1970s, Mushroom released several successful albums from artists such as Doucette, Heart, and Chilliwack, Siegel suddely died due to an aneurysm on 17 January 1979.
Mushroom released several successful albums from artists such as Doucette, Heart, and Chilliwack, Siegel suddely died due to an aneurysm on 17 January 1979. This was during the 1970s.