Cryptic across
5 Cavort with miners gathering around a place in Galilee (9)
8 Certain trouble when I dropped Greek, for example (6)
9 Alligator gets chap by Key West (6)
10 Speed English medic opened to take on board (7)
12 More retiring in the county, it’s announced (5)
14 Musical piece, a throwback of the French during a Paris summer (5)
15 Hearing range of organs is approaching uncool (7)
17 Love of Dido: Peter cured... (6)
18 ...man in Rome with a private line to his maker? (6)
20 Ephesian dissident merited US getting involved (9)