Odeon
Read more on Wikidata
From Wikipedia
The Odeon (1835 – c. 1846) of Boston, Massachusetts, was a lecture and concert hall on Federal Street in the building also known as the Boston Theatre. The 1,300-seat auditorium measured "50 feet square" with "red moreen"-upholstered "seats arranged in a circular order, and above them ... [...]
Read more on Wikipedia