Well.. I like to post screenshots or write what I'm listening to, and I like to find new music through other people, that being said.. And I'm sure someone has done this before, but I haven't seen it recently
There are plenty of music threads already. Here is a popular one: http://forum.grasscity.com/music-genres-bands-artists/271679-only-post-if-high-what-music-you-listening-right-now.html/page-1810#entry20847545