The musician - if he be a good one - finds his own perception prompted by the poet's perception and he translates the expression of that perception from the terms of poetry into the terms of music.

That is to say epic poetry has been invented many times and independently but as the needs which prompted the invention have been broadly similar so the invention itself has been.

I now bid farewell to the country of my birth - of my passions - of my death a country whose misfortunes have invoked my sympathies - whose factions I sought to quell - whose intelligence I prompted to a lofty aim - whose freedom has been my fatal dream.

The one who cannot restrain their anger will wish undone what their temper and irritation prompted them to do.