Which instrument consists of graduated wooden bars and was popularized in Central America?

• A. Xylophone
• B. Piano
• C. Marimba
• D. Guitar

Answer: (C)

The instrument consisting of graduated wooden bars that was popularized in Central America is the marimba. This percussion instrument features a series of tuned wooden bars that are struck with mallets to produce musical notes. It originated in Africa but evolved into its current form in Central America, particularly in countries like Guatemala and Mexico, where it became an essential part of traditional music.

The design of the marimba allows for a warm and resonant sound, which is often complemented by resonators made from tubes under each bar. These resonators amplify the sound and add to the instrument's distinctive tonal quality. The marimba is commonly used in folk music, modern compositions, and various musical ensembles, highlighting its versatility in both solo and group settings.

While the xylophone also features wooden bars and is similar in construction, it is generally considered European and lacks the same cultural significance in Central American music. The piano, being a keyboard instrument, does not consist of graduated wooden bars and serves a different musical purpose altogether. The guitar, a stringed instrument, is unrelated to the concept of wooden bars and has its own rich history in various music genres but does not fit the description in the question.