Which instrument was associated with William Byrd?

The correct association with William Byrd is the keyboard. Byrd, an influential composer of the late Renaissance period, particularly in England, is well-known for his substantial contributions to keyboard music, especially for the virginal, a type of early keyboard instrument. His keyboard works reflect the stylistic characteristics of the time and showcase intricate counterpoint that highlights his mastery of composition.

Byrd also composed a significant amount of choral and vocal music, but it is his impact on keyboard music that stands out in his oeuvre. His collections, such as "My Lady Nevell's Book" and other keyboard suites, are considered important milestones in English keyboard music. The choice aligns with Byrd's prominence in this musical repertoire, marking him as a key figure in the development of keyboard music during the Renaissance.