Opera

Operas were a form of musical plays.

The Doctor had met opera singer Nellie Melba‎. (TV: The Power of Kroll)

Romana had once dragged the Doctor to an opera in Milan. (PROSE: The Scarlet Empress)

The opera Il Dottore Va in Viaggio was a dramatisation of one of the Doctor's adventures. (PROSE: Transit)

Grace Holloway was a fan of opera, particularly Madame Butterfly‎. (TV: Doctor Who)

During a visit to 1840 London, the Eighth Doctor hoped to attend the opera Les Huguenots, but it was sold out. (COMIC: The Curious Tale of Spring-Heeled Jack)

The Eighth Doctor took Samantha Jones to an opera performed by silicon-based life-forms on Thurakzima 7. She later listened to Doctor's recording of Aida while they were traveling to its inaugural performance in 1871 Egypt. (PROSE: The Janus Conjunction)

The Eleventh Doctor and Amy Pond attended an opera in 1858 Paris, where they met opera singer Cosette‎. (COMIC: The Screams of Death)

Oswin Oswald was a fan of opera, particularly Carmen. (TV: Asylum of the Daleks)

The March of the Cyborgs was an Agora‎n opera. (PROSE: UNIT Christmas Parties: First Christmas)