Brass instrument an organ or a choir. Brass instrument A brass instrument is a musical instrument that produces sound by sympathetic vibration of air in a tubular resonator in sympathy with the vibration of the player's lips. Brass instruments are also called "labrosones", literally meaning "lip-vibrated instruments". There are several factors involved in producing different pitches on a brass instrument. Slides, valves, crooks (though they are rarely used today), or keys are used to change vibratory length of tubing, thus changing the available harmonic series, while the player's embouchure, lip tension and air flow serve to select the specific harmonic produced from
Boston Musical Instrument Company Boston Musical Instrument Company The Boston Musical Instrument Company was an American manufacturer of brass band instruments in the late 19th and early 20th centuries located in Boston, Massachusetts. Elbridge Wright was an apprentice to Samuel Graves at his original woodwind shop which had been founded in the 1820s outside of Boston. At the same time Wright was with Graves, James Keat, who had apprenticed to hais father Samuel in England around the turn of the century, introduced the Graves firm to brasswind instrument manufacture. Wright learned from both Graves and Keat before setting out on his own. In 1869,