xhippo is a generic playlist manager program for a variety of UNIX sound players. It's been shown to work with mpg123, bplay, mikmod, s3mod, tracker, xmp and timidity, and should work with more-or-less anything that can take a filename on the command line. It is capable of automatically deciding which player to use depending on a file's extension; the defaults are set in a config file. It uses textual playlist files, which are easily generated with the "find" or "locate" utilities. xhippo's interface is very loosely modelled on the shareware "HippoPlayer" player for the Amiga.