According to a twitter Leakster (Jane Manchun Wong) Spotify is working on a new tab to switch between the Canvas , Album Art & Video.
This option looks something quite similar to the one that we see on YouTube music where they have tabs to switch between Video & Music. But, for YouTube the video directly streams from YouTube's own database ...so it's interesting to see how Spotify manages to bring the entire video library for all the millions of songs they have.
Canvas is currently unavailable in india. Below is the screenshot of how this looks