 count group artist count genre metal date 2016 group artist</p></dd></dl><dl><dt class="spec value" id="val-list"><a href="#val-list" class="anchor"></a><code><span class="keyword">val </span>list : <a href="../Mpd/Client_lwt/index.html#type-t">Mpd.Client_lwt.t</a> <span>&#45;&gt;</span> <a href="../Mpd/Tags/index.html#type-t">Mpd.Tags.t</a> <span>&#45;&gt;</span> (<a href="../Mpd/Tags/index.html#type-t">Mpd.Tags.t</a><span class="keyword"> * </span>string) list <span>&#45;&gt;</span> (string list, string