The piano in ensemble. The piano in real life.
Do not invest too much of your practice time on accompanist literature. Accompanist literature should be a supplement to each practice session, not a substantial portion.
This instructional article makes "accompanying" sound so exotic.
I think I had that guy for an audition once..... :p
Maybe someone should remind Mr. Quayle that some people actually do this for a living and take it quite seriously.
Maybe the author is really DAN Quayle. Sounds like something he would have said (he would have misspelled 'accompanying' too. ;)