![Haymarket Opera Company [WFMT 70th Anniversary Day of Celebration] @WFMTChicago](https://i.ytimg.com/vi/f1mu3-E36Js/maxresdefault.jpg)
Uploaded December 2021 | Updated September 2026, 2 weeks ago
WFMT 70th Anniversary Day of Celebration LIVE | Haymarket Opera Company instrumentalists Craig Trompeter (viola da gamba) and Brandon Acker (theorbo) perform music by Marin Marais.
WFMT 70th Anniversary Day of Celebration LIVE | Haymarket Opera Company instrumentalists Craig Trompeter (viola da gamba) and Brandon Acker (theorbo) perform music by Marin Marais.
![Haymarket Opera Company [WFMT 70th Anniversary Day of Celebration]](https://i.ytimg.com/vi/f1mu3-E36Js/mqdefault.jpg "Haymarket Opera Company [WFMT 70th Anniversary Day of Celebration]
WFMT 70th Anniversary Day of Celebration LIVE | Haymarket Opera Company instrumentalists Craig Trompeter (viola da gamba) and Brandon Acker (theorbo) perform music by Marin Marais.")
![The Devil in Music [Math in Music Ep. 11]](https://i.ytimg.com/vi/gZfI2xJud4o/mqdefault.jpg "The Devil in Music [Math in Music Ep. 11]
The tritone is also known as “the devil in music” because it’s so dissonant. Host Eugenia Cheng explains how Bach used it, and math, to achieve his goal of composing music in every key.")
