Cook Carillon Tower on the Pew campus in Grand Rapids, Michigan. Cook Carillon Tower The Cook Carillon Tower is a 10-story-tall carillon-clock tower located in the center of the Grand Valley State University-Allendale campus in Allendale, Michigan. The tower and carillon were built in 1994 with help from generous donations by Peter C. and Pat Cook for which it is named. The tower is considered to be a major icon of both the university and its campus and creates a notable central focal point on the Allendale campus. The 48 carillon bells are cast of bronze by the Royal Eijsbouts Bellfounders and Tower-clock
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