RSSify your music genre listing like this:
routing.xml (on top):
<route name="rss" pattern=".rss$" stop="false" output_type="rss" />
...
<route name="music" pattern="^/music">
<route name=".genre" pattern="^/genre/(name:[\S\s]+)$">
</route>
</route>
in view:
executeHtml($rd) {}
and
executeRss($rd) {} // or put it in baseview :)
later on in code (template/view):
$ro->gen('music.genre+rss', ...); // link to rss feed of genres
$ro->gen('music.genre', ...); // link to HTML listing of genres
...and so on for CSV, JSON, XML etc. :)