In the action: Criseyde's uncle Pandar and Prince Troilus enter Criseyde's bedroom without her knowing, so that Troilus can have sex with her.

The Consummation Scene from the opera Criseyde, with music and libretto (in Chaucer's Middle English) by Alice Shields, performed by the New York City Opera VOX and The American Virtuosi in 2008 at Skirball Center for the Performing Arts and Elebash Hall,  NYC. In this excerpt bass Lawrence Long is Pandar, baritone Richard Byrne is Troilus, and soprano Kerri Marcinko is the heroine Criseyde, conducted by Kenneth Hamrick with the musicians of The American Virtuosi.

Consummation Scene from the opera Criseyde

From the opera Criseyde: Consummation Scene

One of the pioneers of electronic music, Alice Shields creates cross-cultural electronic and acoustic operas and music for voice, dance, theater and video. Her work is influenced by Japanese Noh Theater and Indian Bharata Natyam dance-drama, and has been performed by the New York City Opera Vox Festival, Academie der Künste (Berlin), Venice Biennale, Columbia-Princeton Electronic Music Center, Arangham Dance Theater (India), Dance Alloy (Pittsburgh), NYC-Electroacoustic Music Festival, Santa Fe Opera Gallery Concerts, Association for the Promotion of New Music, American Composers Alliance, Ensemble Pi, Iktus Percussion and other groups. 

Her work is recorded on New World, Koch International Classics, Albany, CRI, Atlantic Records, American Composers Alliance Recordings, Opus One and Tellus, and is published by the American Composers Alliance: https://composers.com/alice-shields