I cryptic

[stoatie2011]

19a Material produced by nutty artists (6) -A---S.
25a Herein's Schumann's Third, not Beethoven's Third which would be wrong 97) R-E----.
20d Get education about religious matters going to church? I have ! (7) --C---E.

Many thanks, Danny

[chelle7272]

20 re ce ive?

[chelle7272]

19 mad ras

[souxie]

25 Across, I think the answer is RHENISH(The name of Schumann's Third Symphoy), But that has mucked up my 23 Down ,Go deficient?Not right!(4)
?H?T, I did have LEFT.
Hope this helps.

[Calibax]

25 Rhenish - anagram of hereins wih H instead of E

[Captain2]

23d How about..... Sho(r)t

[dr b]

23d, go = SHOT, SHO(r)T (deficient)

[Calibax]

23d Sho(r)t