Vibraphone Vibraphone The vibraphone (also known as the vibraharp or simply the vibes) is a musical instrument in the struck idiophone subfamily of the percussion family. It consists of tuned metal bars, and is usually played by holding two or four soft mallets and striking the bars. A person who plays the vibraphone is called a "vibraphonist" or "vibraharpist". The vibraphone resembles the xylophone, marimba, and glockenspiel, one of the main differences between it and these instruments being that each bar is paired with a resonator tube that has a motor-driven butterfly valve at its upper end. The valves are mounted
Which? Which? Which? is a brand name used by the Consumers' Association, a registered charity (No. 296072) and company limited by guarantee (No. 580128), which is based in the United Kingdom. It exists to promote informed consumer choice in the purchase of goods and services by testing products, highlighting inferior products or services, raising awareness of consumer rights and offering independent advice. The association owns several businesses, including "Which? Financial Services Limited" ("Which? Mortgage Advisers"), "Which? Legal Limited" and "Which? Limited", which publishes the "Which?" magazine. The vast majority of the association's income comes from the profit it makes on its