The title of the poem "the love song of j. alfred prufrock" reveals

alliteration

an allusion

irony

paradox

coincidence

Irony.

The poem explores why Mr Prufrock cannot have a true relationship; because he has been spoiled for real life by the emotion in poetry, which he can't get from a real person. The 'love song' is actually a description of a lack of love, which blames - wait for it - songs.