How is a piano recorded?


What prompted this question is this afternoon's activity: going to the mall, an obligatory task of being a husband, we entered through Nordstrom. As the habit of Nordstrom is, they usually have a pianist play a baby grand near their escalators in the middle of the store. So while my better half was browsing, my son and I watched the pianist.
From a certain distance, I certainly couldn't localize where the lower register or the upper register or anything in between was, the piano sounded as a whole, singular unit. However, that's not the case in many recordings, at least what I have: the piano is spread wide b/w l & r speakers. Is this the result of close-miking the piano? I wonder why the rec engrs don't make it more like real live, but I have no experience or skill or any background in recording so I don't know. What are the considerations for close miking like this?
yr44
Check out The Silverman Concert at stereophile.com. (See: http://www.stereophile.com/musicrecordings/315/index.html)

It documents a concert given by Robert Silverman on piano & recorded by John Atkinson of Stereophile. It gives you more information on recording the project than you'll be able to process. You might search the site for other piano projects recorded by John Atkinson of Robert Silverman, also. I would imagine other recordings of solo piano use similar techniques.
It all depends on the acoustics of the venue, the type of music, whether there are other instruments and the desired sound. There's no one size fits all technique. Making a instrument sound "real" is a totally subjective criteria which may or may not be appropriate for a particular recording.
The piano recordings that don't sound real usually are miked much too close, often under the lid of the piano. A more realistic sound can be obtained by placing the mikes some distance from the piano and aimed towards the lid.
IME the piano in real life sounds the way you describe. I can only suppose that piano recordings which place you so that you hear low notes at one side and highs at the other have been miked and mixed that way because that's what the producer thought we expected to hear.
Thanks Beavis. I'll take a look.
I was standing about 6-8 ft away from the piano, and it certainly sounded as a monolithic unit, no 'L to R piano soundstaging' as in many recordings. BTW, it sounded great!