The crossword solution for the term 'Bassoon Bit' is 'REED'. A REED is a thin strip of material, usually made of wood or metal, that vibrates to produce sound when air is blown through it. The REED is an essential part of many musical instruments, including the bassoon. The bassoon REED is made from a combination of cane and metal, and is held in place by a metal ligature. The REED is what produces the sound of the bassoon, and is an integral part of the instrument.