item_type</span> <span class="o">==</span> <span class="n">ItemType</span><span class="o">.</span><span class="n">IT_AUDIO_TRACK</span><span class="p">:</span>
        <span class="n">result</span> <span class="o">=</span>  <span class="n">Track</span><span class="p">(</span><span class="n">ItemType</span><span class="o">.</span><span class="n">IT_AUDIO_TRACK</span><span class="p">,</span> <span class="n">connection</span><span class="p">,</span> <span class="n">actor</span><span class="p">,</span> <span cl