<%@tracks.each do |track|%>
    <div class="col-md-4 col-sm-6 st-service">
      <h3 class="track-title"><%= track.title %></h3>
      <h2><%= track.artist_name %> <br></h2>
      <h2>Valence: <%= track.audio_features.valence %> <br></h2>
      <h2>Energy: <%= track.audio_features.energy %></h2><br>
      <h2>Genre: <%= track.genre %></h2><br>

      <% @spotify_id = track.track_spotify_id %>
      <iframe src="https://embed.spotify.com/?uri=spotify:track:<%= @spotify_id %>" width="300" height="380" frameborder="0" allowtransparency="true"></iframe><br />
      <p class="song-result"><%= track.lyrics %></p>
    </div>
<%end%>

<%@tracks.each do |track|%>
    <div class="col-md-4 col-sm-6 st-service">
      <h3 class="track-title"><%= track.title %></h3>
      <h2><%= track.artist_name %> <br></h2>
      <div class="poppingover" title="tempo: <%= track.audio_features.tempo  %>
        valence: <%= track.audio_features.valence %> tempo: <%= track.audio_features.tempo  %>
          valence: <%= track.audio_features.valence %>tempo: <%= track.audio_features.tempo  %>
            valence: <%= track.audio_features.valence %>tempo: <%= track.audio_features.tempo  %>
              valence: <%= track.audio_features.valence %>tempo: <%= track.audio_features.tempo  %>
                valence: <%= track.audio_features.valence %>tempo: <%= track.audio_features.tempo  %>
                  valence: <%= track.audio_features.valence %>tempo: <%= track.audio_features.tempo  %>
                    valence: <%= track.audio_features.valence %>tempo: <%= track.audio_features.tempo  %>
                      valence: <%= track.audio_features.valence %>  ">
        Details
      </div>
      <h2>Valence: <%= track.audio_features.valence %> <br></h2>
      <h2>Energy: <%= track.audio_features.energy %></h2><br>
      <h2>Genre: <%= track.genre %></h2><br>

      <% @spotify_id = track.track_spotify_id %>
      <iframe src="https://embed.spotify.com/?uri=spotify:track:<%= @spotify_id %>" width="300" height="380" frameborder="0" allowtransparency="true"></iframe><br />
      <p class="song-result"><%= track.lyrics %></p>
    </div>
<%end%>

Add details tooltip to see more partial
Add details tooltip to see more partial
