Recorder (musical instrument) Dolmetsch in 1957, he first used the bell-key system publicly in 1958. Recorder (musical instrument) The recorder is a woodwind musical instrument in the group known as "internal duct flutes"—flutes with a whistle mouthpiece. A recorder can be distinguished from other duct flutes by the presence of a thumb-hole for the upper hand and seven finger-holes: three for the upper hand and four for the lower. It is the most prominent duct flute in the western classical tradition. Recorders are made in different sizes with names and compasses roughly corresponding to different vocal ranges. The sizes most commonly in use
Boston Musical Instrument Company Boston Musical Instrument Company. This change coincided with a relocation to 51 Chardon Street in Boston. Two years later the company was purchased by Cundy-Bettony which continued to build instruments in the Boston name until 1928. The Boston Musical Instrument Manufactury/Company was a producer of traditional instruments for brass band. The 1869 catalog shows a full line of such instruments including the traditional cornets in E-flat and B-flat, E-flat Alto horn and horn, B-flat tenor, B-flat baritone, B-flat valve trombone and slide trombone, and tubas in B-flat and E-flat. Slide cornet was another option. The company also offered the full