La donna è mobile

La donna è mobile is a song from the Italian opera Rigoletto (1851) by Giuseppe Verdi.

Interpreted by the Doctor
The Third Doctor sang it whilst driving to the Inferno drilling project on Bessie. (TV: Inferno)

The Doctor sang it again during his eleventh incarnation whilst taking a shower. (TV: The Lodger)

Other interpreters
The Italian soldier Tito sang it while lying on his bunk in the base of Snowcap. (TV: The Tenth Planet)