Im no expert, and can't hear the differences between the many sections of a full blown Orchestra. Apart from strings, winds and drums etc. Although I can hear differences between recordings that have used a Telecaster, Rickenbaker, Gibson .. And can go one to sometimes hear the 808, 303 and DX7 differences.
Have got a few recordings with more unusual instruments that are more native to specific parts of the world. I like the sound of the Saz. Like the drone sound of a Sitar mixed with the picked pinched sound of a Banjo !
A few have mentioned a liking for large pedal organs.
Lap steel. Harpsichord. Dreadnout. Recorders. Alto Saxophone. ???
I would like to widen my listening range. Would like some interest in what others can recommend of a favourite instrument they like to hear and the recordings that does the best job.