Anton Brees Carillon Library Anton Brees Carillon Library The Anton Brees Carillon Library, located within the Singing Tower at Bok Tower Gardens, is home to various collections that document the history and development of the Singing Tower and Gardens, the historic Pinewood Estate, and the Guild of Carillonneurs in North America. It also contains many sources on carillon art in general. The library was created in 1968 following the death of Anton Brees, the first carillonneur at the Singing Tower. It is named in his honor. A Carillon is a musical instrument consisting of at least 23 tuned bells in chromatic series, played from
A (musical note) the pitch standard. The number designates the frequency in hertz. A lower number equals a lower pitch. By an international treaty signed in 1939, modern pitch is standardized at A-440. However, tuning has varied over time, geographical region, or instrument maker. In 17th-century Europe, tunings ranged from about A-374 to A-403, approximately two to three semitones below A-440. Historical examples exist of instruments, tuning forks, or standards ranging from A-309 to A-455.3, a difference of almost six semitones. Although the official standard today is A-440, some orchestral groups and chamber groups prefer to tune a little higher, at A-442 or