Mine is Strawberry since it has a ton of options and plays a ton of formats. It's also (distant) fork of Amarok 1.4 and integrates well with KDE Plasma. I'm curious what other people are using these days. What's your favorite player?
MPD + ncmpcpp, I hate both and I’m yet to find anything better.
I’m an Emacs graybeard
Emacs does have a music player, emms, which is what I use.
M-x package-install RET emms RET