### Clue: Nice sea shanty breaks out round noon, held responsible for 5 7 (8,7)
### Answer: MERCHANT BANKERS 
 ### Explanation: Definition: held responsible for 5 7
 MER(the sea, as it is called in Nice, France) + CHANT(a song, eg. one sung by sailors;a shanty – both "chant" and "shanty" sharing the same root word from French) + ***anagram of***( … out ) BREAKS **containing**(round) N(abbrev. for "noon").