1: Queen forced to meet irate nation? (5,10)
3: A representative may be a scamp (3)
4: 4-down Arias hit high note in some of the lungs (3,3)
5: Author of Birds on the Wing may rewrite (6,9)
6: Piano finale not determined (7)
7: OJ rants about USC football players (7)
8: Exchange concealed proprietary knowledge (5,6)
9: Sadly curtail urge for land cultivation (11)
13: Venture to comment, 'War God stands in light' (7)
14: Hesper's fresh fields (7)
19: Infection leads from partly uncooked steak (3)
20: Child, bask by the sound (3)