Polyhymnia
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) The Muse of lyric poetry.
The Nuttall Encyclopedia [2]
One of the nine Muses ( q. v .); she is represented as in a pensive mood, with her forefinger on her mouth; she was the inventress of the lyre and the mother of Orpheus.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [3]
a daughter of Zeus or Jupiter, and one of the nine Muses. She presided over lyric poetry, and was believed to have invented the lyre.