take a peek at this: http://en.wikipedia.org/wiki/List_of_best-selling_music_artists
journey has sold 75 million records according to this page.
according to the rush wikipedia page: Rush also ranks 79th in U.S. album sales, with 25 million units.
Although total worldwide album sales are not calculated by any single entity, as of 2004 several industry sources estimated Rush's total worldwide album sales at over 40 million units.
some japanese person/group named b'z has sold 80 million records