Many hanks to Joel and Pat for their insight. My modifed version:
MOODS_CONTROLLER.RB
def results
mood_id = params[:mood_id].join(", ")
@moods = Mood.find(:all, :conditions => “id in (#{mood_id})”)
end
RESULTS.RHTML
<% for mood in @moods %>
<%= mood.name %>
- <%= track.title %>
<% mood.tracks.each do |track| %>
<%end%>
<%end%>
Cheers!
Don C.