Winamp was pretty cool. When I switched to Linux, many years ago, I wanted to have winamp too. I think I used bmp for a while until it died; before that xmms but that one also sort of died. Meanwhile some other GUI showed up, I forgot the name. I kind of gave up on winamp, mostly because my use cases shifted. I went to mplayer, then mpv, and now I am too used to using mpv for literally anything related to audio and v…
XMMS lives on as Audacious: https://audacious-media-player.org/ You can still configure it to look like XMMS.
And it's compatible with winamp skins, so you can download the winamp base skin ( https://skins.webamp.org/skin/5e4f10275dcb1fb211d4a8b4f1bda2... ) and have it look exactly like winamp.