Case File: The Muses vs. the Daughters of Pieros
Case Description: Complainants (The Muses) accuse defendants (the Daughters of Pieros) of slander. The nine daughters of King Pieros went around saying they could sing better than the Muses. (Notice a trend?)
Case Status: Case closed. The Muses beat the daughters of Pieros in a singing contest and then turned the girls into a flock of magpies. Well, then.