33ac song and dance in line, one that is german (7)
C _ _ _ _ D _ cadende? i can't find it but it fits.
and one i have nothing at all on but will help with lots of others: 9dn canaries were once so blessed, pity side in crisis and no cash (11). thank you.
Ceiidh is an anagram of L (line), DICH (one/you in German) and IE (that is). Canary (or singer) is an informer, so is sycophant: an anagram of PITY NO CASH C(risis).