The Odeon - a small roofed theatre constructed by Vedius Antonius and his wife in around 150 A.D. It was a small salon for plays and concerts, seating about 1,500 people.
History
There were 22 stairs in the theater. The upper part of the theatre was decorated with red granite pillars in the Corinthian style. The entrances were at both sides of the stage and reached by a few steps