Since the release of their album Boy in 1980 , U2 has grown to become one of the biggest rock bands in the world .
The 1980s saw the rise to stardom of the most successful Irish rock band , U2 .
Since the release of U2 's album Boy in 1980 , U2 has grown to become one of the biggest rock bands in the world .
The 1980s saw the rise to stardom of the most successful Irish rock band , U2 .