a tribute to:

Wolfgang Amadeus Mozart: The Marriage of Figaro & Ave Maria
Geoff Moss, founder of ‘fifteensquared’ ie 225

Across

6 infra IN/F(lask) + R[&]A [Royal and Ancient]

8 Wolfgang wolf pack/gang (hom)

10 effort briEF FOR Teacher (hidden)

11* Ave Maria (c)AVE<MAR 1>A(t) [St David’s Day. March 1]

12,2,17* The Marriage of Figaro HERITAGE AFFAIR GROOM (anag)

13 auctioneers IN OUTER S(p)ACE (anag)

15* dungeon DUNG/EON

18 Odyssey (b)ODY/YES(rev)

22 word of mouth MUD FOR HOW TO (anag)

25 urn f<URN>ace

26* ideal gas IDE<ALGA>S

27 Poirot P(in)OT (n)OIRE (anag)

29* ring road R(esistance) + N(ew)/(sur)G(eon) in RADIO (anag)

30 Sadat S(un)/A/TAD(rev) [Nobel Peace Prize, 1978]

Down

1* five I (one) + V (five) [Roman numerals] = VI (six, or sex in Latin)

3 Mozart OZ in TRAM (rev)

4 of record FORCE (anag) + OR/D(ensity)

5* uglier (UG)LIE R(ug)

7 fifteen F(emale)<IF TEE(t)>N(ame) or 1 by 5(1 down)

9* Amadeus A(merica)<MADE>US [‘in the can’ = made]

12 Tod double def [on one’s tod/Scottish fox]

14,21 canyon C<ANY>ON or CAN/YON

16* goddamn (englishma)N/MAD DOG (rev)

18 ohu twO HUndred (hidden) [NZ working party]

19 yahooism who is (hom) in MAY (rev)

20 squared D after SQUARE

23 orders cryptic def [suppers = drinkers]

24 Ossian OSSIA/(o)N(e)

28 Tutu T<(b)>(b)