^ ۳٫۰۳٫۱Bowman, Durrell (2014). Experiencing Rush: A Listener's Companion. Rowman & Littlefield. p. 29. ISBN978-1442231306. ...Rush's hybrid of heavy metal, hard rock, and progressive rock.
^Bowman, Durrell; Berti, Jim (2011). Rush and Philosophy: The Heart and Mind United. Open Court Press. p. 287. ISBN978-0812697162. Rush mainly demonstrates 'Canadianness' by combining such British and American influences as progressive rock, hard rock, and individualism.