Possible Clues:

• Irregular and emotional musical composition
• Perhaps Odyssey includes such epic poetry
• Piece of music
• Pretend to be what one is not
• 'Sweet religion makes / A -- of words' (Hamlet)
• ` `........ in Blue' ' (Gershwin)
• Ecstatic utterance
• Exalted, free-style, composition
• Emotional musical piece - epic poem
• Epic poem penned by, perhaps, Odysseus