"Filming Red Rocks cost us thirty grand. That was all the money we'd make. This was the first tour we were going to make any money at all, and this is where we put it, so there was a lot riding on that night."
- Bono on filming Red Rocks
Many musicians have been influenced by the work of U2. There are several cover versions of U2 songs by bands such as Pet Shop Boys, Pearl Jam and The Chimes, and musicians such as Cassandra Wilson, Joe Cocker and Johnny Cash.