Browsing is a real weak point of Songsterr. It's a real pain.

Tags should be sortable AND filterable. ie, when you select one tag you should be able to see all the tags which are used within that selection and continue to narrow down your selection by inclusion or exclusion.

Also, I'll take this opportunity to plug my *categories* idea here http://feedback.songsterr.com/forums/5071-general/suggestions/1770217-have-pre-defined-categories-not-just-tags-?ref=title