1: Song is a gas (3)

3: Run around near a stadium (5)

5: Fill-in professional almost rewrote the column (5)

6: Call for help oddly stops (3)

7: Be quick to make appearance with instrument (4,5)

8: How to get around doing business, essentially (3)

9: Contrarily accepted gold slab (5)

11: Neil Armstrong, first to return from another world? (5)

12: Uninitiated stoop to finish (3)

1: It comes to a point everyone heard (3)

2: Judges playing conkers? (7)

3: Acknowledging access (9)

4: African leader reversed stance on fabled writer (5)

6: On second thoughts, rising fish glitter (7)

7: I got by in Los Angeles or a North African state (5)

10: Mann's 'Death in Venice' Dorothy sent up (3)