Come on you brains out there, someone must be able to help!
Q57 - With this instrument there's no dropping off at sea.(6)
Q69 - You need glasses to play this and it keeps you on edge.(9)
Q81 - A sudden rattle removes the danger.(9,9)
Q90 - and now find his operatic carrot.(6) Referring to a previous answer of 'Rossini'
All answers are anything to do with music.