Possible Clues:

• 'With neither nor father, that is melodious about the East (7)'
• Melodious harp one played
• Melodious or entrancing, in the style of a mythical poet
• Of a mythical Thracian musician and poet
• Resembling a mythical journey into the underworld
• Melodious, relating to a singer and musician of Greek myth
• Child left outside back of house of legendary musician
• Poetic enough for one harp
• Pertaining to mythical lyre player
• Melodious note held by unfortunate child