U2's significant career far exceeds that of most average successful rock bands, with a prolific output of thirteen well-received studio albums and a sometimes relentless touring schedule. The band is famous for uniquely drawing together music, art, faith, and activism, all within a lucrative career that has given each of these elements an unusual degree of social and cultural resonance. Broad-minded musically and intellectually, U2'soutput is thematically rich, addressing a slew of topics, from questions of faith to anxieties about commercialism to outright political statements. With one of...