The epithet ' Musarum ' means ' of the Muses ' .
The epithet ' Musarum ' refers to Nobilior 's discovery that Hercules was known in Greece as ' Musagetes ' or ' leader of the Muses ' .
The epithet ' Musarum ' means ' of the Muses ' and refers to Nobilior 's discovery that Hercules was known in Greece as ' Musagetes ' or ' leader of the Muses ' .