Phaedra was the composer's last vocal work, written in 1975 and first performed by Janet Baker at the Aldeburgh Festival on 16 June 1976. Britten assembled the libretto from parts of a translation of Racine's Phèdre by Robert Lowell. Stylistically, it draws from the Baroque cantata tradition.
- Sophie Hunter directed mezzo-soprano Ruby Philogene in Phaedra for the 4th Enniskillen International Beckett Festival in Northern Ireland with Andrew Staples conducting the Ulster Orchestra The production received critical acclaim.
- Moore, Lloyd. "About this recording". Naxos. Retrieved 2 August 2013.
- James, E.D.; Jondorf, G. (1994). Racine : Phèdre. Cambridge University Press. p. 104. ISBN 9780521397216.
- "MODA Triple Opera". The Göteborg Opera. Retrieved 2 August 2013.
- "What Sophie Hunter Did Last Week". The Times.
- "Happy Days: Truly Enthralling". The Guardian.
- "Happy Days: Exquisite Britten, Otherworldly Drama". The Guardian.
- "Cover Your Eyes It's Beckett". The Times.
- Slater, Sasha. "Going To The Opera". Harper's Bazaar.
- "Happy Days Enniskillen International Beckett Festival 2015". Happy Days Enniskillen.
- "Multi-star Review for Beckett Festival". The Impartial Reporter.
- "Happy Days Review". The Stage.