1: One watching over entrance returns identifying label (7)
2: Drawing, for example, a bit of a cartoon (3)
3: French singer eats bit of leftover rice dish (5)
4: Elsa ran frantically for store (7)
5: Serious musical talent at home (7)
6: Most in side swim in Derbys river (9)
7: Exchange recipe describing a small amount of relish on rolled up taco (11)
8: Scolded, undergo assessment (7)
12: Fast times with company cracked high-strung recruiter (6,5)
16: Show singular glasses? (9)
17: Get less polite dupe welcoming English bum? (7)
18: Site of ASU school near Tuesday's storm (7)
19: Church conceals torture instrument before king; it could be explosive. (7)
21: Jimmy hugs otherwise retiring rock 'n' roll legend (7)
24: Seaport of royal Tamerlane? (5)
28: Sixpence for big cheese? (1.1.1.)