title: Ruby on Rails, How to make a controller render different page without redirect?
body: <p>Let's say we have the following pages
  clip/show/111
  image/show/222
  sound/show/333
  where 111,222 and 333 are the IDs for different contributions</p>
  
  <p>I developed a new controller called "show" that will detect ID and redirect to the right controller
  show/show/111 will redirect to clip/show/111 and so on</p>
  
  <p>what I want is to render the page clip/show/111 without redirecting, meaning that the URL on the browser will still show "show/show/111" but in fact render the "clip/show/111"</p>
  
  <p>How could I do that?</p>
  
  <p>Thanks all
  Wa'el</p>