The Academy of Music in Baltimore, Maryland was an important music venue in that city after opening following the American Civil War. The Academy was located at 516 North Howard Street. The Academy was demolished in the late 1920s, as the Stanley Theatre was being built in the same block.

Wikipedia 

Twain-Cable Tour: November 28 & 29, 1884

Image from: http://mdhsphotographs.tumblr.com/page/12