"There was a mad theory at one point in U2's early days that we were so broke we would start a second band that would perform under a different name and play covers, and would actually earn a living that would support U2, who would continue to perform their own material."
- Paul McGuinness
did you know
The lyric "3:33 when the numbers fell off the clock face" from Unknown Caller is a reference to the Bible verse Jeremiah 33:3. Bono refers to it as "God's phone number".