Sorry, clone might not be the right word here. Foobar2000 was created out of spite because the creator didn't like what Winamp was doing. I vaguely recall something about bitrate limits and ogg support? It was so long ago and on IRC so no history saved. So it's a replacement?
Edit: some more context here:
https://forums.winamp.com/forum/developer-center/winamp-deve...
https://www.reddit.com/r/software/comments/lqu9u/a_brief_his...