Hot on the heels of their Grammy nomination earlier in the week Alt-J (∆) managed to fit a last minute show on their schedule travelling through Tucson; the excitement for this particular performance could be felt throughout the Southwest as their initial absence proved disheartening for many fans. ∆’s performance almost two months prior at the Treasure Island Music Festival in San Francisco still has me reeling, making this particular show a must see. The night began with Ta