an Entity references as follows:
Eileen is a comic opera (sometimes described as a musical) with music by Victor Herbert and lyrics and book by Henry Blossom, based loosely on the 1835 novel by Herbert's grandfather, Samuel Lover. Set in 1798, the story concerns an Irish revolutionary arrested by the British for treason. Eileen, his nobly born sweetheart, helps him to escape by disguising him as a servant.