app/views/assets/_normal_playback.html.erb
<%= cache([asset, asset.user, logged_in?, local_assigns[:favorite], 'v2']) do %>
<div class="asset stitches_track <%= "favorited_track" if defined?(favorite) %>" data-controller="normal-playback" data-action="track:play->normal-playback#play
track:pause->normal-playback#pause track:playing->normal-playback#playing
track:ended->normal-playback#stop">
<%= yield %>
</div>
<% end %>