1: Robin Goodfellow's ice hockey requisites (5)
2: Notes spent in Germany (5)
3: Song about river, ocean, and lake (5)
4: Come to terms with instant operating computers (5,2,2)
5: Freeze one mug filled with tea, essentially (3,2)
6: Everywhere, each container of flowers holds four (9)
7: In love with copper? Gone to give a needle? (9)
11: B-back up string player (7)
13: Chief among any political disorder (7)
14: Change in ultimate diet for the evening? (9)
15: Ante up after raise from volatile Sicilian? (5,4)
16: Open present yonder (4,5)
20: Interprets, for the audience, the woodwinds (5)
21: He told tales about a love with foresight. (5)
22: Satisfactory return in the manner of an Australian icon (5)
23: Emblem of sovereignty that was a quarter-pounder? (5)