Since Bono's back surgery forced U2 to cancel a Glasto headline slot (among other tour stops), the band did the next best thing and wrote a song about it. This was the tune we heard low-fidelity rehearsals of earlier this week. U2's rescheduled trek resumed at Stadio Olimpico di Torino last night, and included "Glastonbury"'s official 360° debut. They also ...