"Instrument types" refers to different categories or classifications of musical devices or tools used to create sounds or music. It includes various kinds of instruments such as guitars, pianos, drums, violins, trumpets, and more. Full definition
Having all these different instrument types is essential for examining the brain at a wide range of scales, but there's a catch. (pnnl.gov)
The presets are categorized by instrument type, so it's fairly easy to search through the library and find the SNES sound that you're looking for. (originalsoundversion.com)
using comparison data recorded simultaneously at old and new locations, or with old and new instrument types. (bom.gov.au)