HOT DAY AT THE ZOO Zoograss hotdayatthezoo.com Hot Day at the Zoo’s live Zoograss benefits as much from the audience’s audible enthusiasm and encouragement as it does from the group’s own prowess. This is a bluegrass band best witnessed in concert—appreciation for its rowdy, ramshackle sound is boosted considerably by a few beers and a dance floor. Even when the band dallies in heartfelt sentiment, as on “Back This Way,” there’s more...