Which preposition to use with allegro

of Occurrences 1%

Each indeed marked an advance upon all that English descriptive or didactic poets had thus far contributed towards making humble life and rural scenery attractiveunless we except the Allegro of Milton and some passages in Thomson's Seasons.

on Occurrences 1%

He then facetiously observes, "How should we marvel to see the Duke of Wellington, like another Epaminondas, take his flute out of his pocket to still the clamour of the opposition, or Mr. Peel reply to the arguments of Mr. Huskisson with an allegro on the fiddle.

Which preposition to use with  allegro