tracks/app/views/search/_show_results_collection.html.erb

<%
collection = show_results_collection
collection_name ||= 'unknown'
collection_title ||= 'unknown object'
unless collection.empty?
-%>
  <div id="<%=collection_name%>-container" class="container">
    <h2>
      <span id="<%=collection_name%>" class="badge"><%= collection.size %></span>

      <%= collection_title %>
    </h2>
    <%= yield %>
  </div>
<% end -%>