"a passage of" is a correct and usable expression in written English.
You could use it in a variety of contexts, for example: I read a passage of poetry that really moved me.
He then sat down and played a passage of Brahms.
Seldom is there a passage of simple, straightforward prose.
There followed a passage of City camping deep inside Wolves territory.
Earlier, less conventionally, in a passage of subtle indirection, the narrator first realized what was afoot.
He read a passage of Koranic commentary about the rewards martyrs will receive in the afterlife.
Milan Kundera, in his novel "Immortality," has a passage of commiseration for the dead.
In his vibrant, scratchy voice, Jimmy began to recite a passage of "Democracy in America".
He'll leap from an account of a dream into a passage of shattering political rage.
There's a passage of music in the suite dedicated to Jacques Tati.
In her fiction, every chapter begins with its epigraph, usually a passage of verse.
Her eyes keep moving across the man, as if he were a passage of verse.
