[beAbU]

It sounds just like any other mic, with subtle differences audible only to the most trained ear.

Their frequency response is probably well characterised and documented, so you can simulate one by putting an appropriate EQ over a "normal" mic and the outcome will be indistinguishable from the real thing.

[localghost3000]

Disagree. Ribbon mics have a very distinct sound. The top end in particular. They also distort when pushed.

[bluGill]

Trained ear means one where you have good speakers (headphones may be better) and listen to the same thing on several different microphones. It isn't hard to train your ears if you want to spend the time.

[beAbU]

Do you listen to the music, or do you listen to the mic that it was recorded with?

[bluGill]

When I'm making the music it is important to get the details right. When I'm listening to what someone else made it doesn't matter.