This is implemented right now as a box beneath the overview - and I need to scroll down to see if there are playlists.
Wouldn't it be better to have an extra tab, which only occurs when there are playlists to show?
There wouldn't be the need to scroll and I could see on the first view, if I have playlists which contain this track.
This can now be tested in:
Please use this version with care - it is an alpha release which is not fully tested!