Conversation so far:
What happened to Journey in 1981 that was important?
Journey's biggest studio album Escape was released on July 31, 1981, and immediately the album became a mainstream success.
What songs were on Journey's album Escape?
Journey's album Escape features four hit Billboard Hot 100 singles – Don't Stop Believin', Who's Crying Now, Still They Ride, and Open Arms.
How did Journey promote their Escape album?

Question: How else did the album become successful?
Self-contained rewrite: How else did Journey's album Escape become successful?