title: Pic on button when music is playing
body: <p>I'm making a radio app and i was thinking ...
  How can add a picture inside the button(radio canal) which will means the music is currently playing in specific canal ?
  I would like to add it in left- up corner of the button.</p>
  
  <p>I'm soryy bout my english i'm still learning. 
  Hope You will understand.</p>
  
  <p>Thanks for any help!</p>