What is referred to by 'aleta prince arn galan'?

What is referred to by 'alert watchfulness eagle'? Based on the clue 'alessandro alessandroni was the performer who adde...', what is the answer? What is associated with: alessandro moreschi who died in 1922 was the last renowned member of this operatic category of… Based on the clue 'alessandro the first duke of florence was an illeg...', what is the answer? What is associated with: alex parts of this 1985 movie were filmed right here in karen a suburb of nairobi? What is associated with: alex ah a prediction from antwerp i say the dutch are going to stick it to this countrys fleet… What is associated with: alex ah heres sofia at the united nations in an historic address here in 1988 this man vowed t… Based on the clue 'alex ah heres weird al this parody of a knack son...', what is the answer?