Answer:

ERATO

Answer	Crossword Clue
ERATO	Muse of mime
ERATO	Poetic Muse
ERATO	Poetry Muse

ERATO	Clio's sister
ERATO	Muse of poetry
ERATO	One of the Muses
ERATO	Lyre-playing muse
ERATO	Lyric poetry muse
ERATO	Milton's muse
ERATO	One of nine
ERATO	Poetry muse

ERATO	One of nine Muses
ERATO	Poets' Muse
ERATO	Muse of, I guess in contemporary terms, Penthouse letters, etc.
ERATO	Poet's Muse
ERATO	Wordsworth's Muse
ERATO	Sappho's Muse
ERATO	Sister of Calliope
ERATO	Lyre-playing Muse

ERATO	Calliope's kin
ERATO	Calliope's sister
ERATO	Polyhymnia's kin
ERATO	Sister of Polyhymnia
ERATO	Muse for some poets
ERATO	Bard's muse
ERATO	Muse with a lyre
ERATO	Sibling of Clio

ERATO	Sister Muse of Clio
ERATO	Muse for love poets
ERATO	Love poet's muse
ERATO	Lyricist's Muse
ERATO	Muse for poets
ERATO	Lyric muse
ERATO	One of the Nine
ERATO	Sappho's muse

ERATO	Daughter of Mnemosyne
ERATO	Love poet's Muse
ERATO	Muse of lyric poetry
ERATO	Shelley's Muse
ERATO	Muse for Theocritus