^ i just wanted to say thanks for this!
(hopefully it won't be considered bumping)
it worked for me by creating a playlist in winamp on my pc of my android music folder & then i saved the playlist as an .m3u in the same music folder on my 2.3.4 Evervolv Incredible.
this could be a hassle if you constantly add files to your playlist (like i do), but it's better than not having a playlist at all.
i used to be able to create or easily add music files to a playlist in Astro File Manager, but lately this has worked only sporadically. most of the time it would say it added the files, but when i opened the playlist in android winamp, it would be empty.
that is why i tried to find another way to add a playlist on my droid, so thanks again
