Stuck on 3 here
11d. Industrial city in North Rhine-Westphalia, Germany (13) G - - - L - K - R - H - -
12a Largest city in Malawi (8-5) BLANTYRE - - C-E
27a London district on east bank of the Thames (10) - E - D - - - T - N
Solved- Jimtools got it with the limbe, The M if from maraMba, rather than maraCas for a latin american percussion instrument - thank you all for your efforts.
Graeme