Calliope
Calliope (Greek Καλλιόπη Kalliope " beautiful -voiced the " even Calliope; emphasis on the o Greek: Kalliope ) is one of the nine daughters of Zeus and Mnemosyne. She is the muse of epic poetry, science, philosophy, and in playing as well as the muse of epic and elegy. With Apollo, the sons of Orpheus and Linos.
Kalliope is the oldest and wisest of the nine classical Muses and was therefore the judge in the dispute between Aphrodite and Persephone over Adonis. Your attribute is the chalkboard.
Life
As first-born of the muses, she had a high reputation.