nyxmms2 --help (return code: 0)
usage: xmms2 [<command> [args]] XMMS2 CLI, the awesome command-line XMMS2 client from the future, v0.8 DrO_o (git commit: Unknown). If given a command, runs it inline and exit. If not, enters a shell-like interface to execute commands. Type 'help <command>' for detailed help about a command.