K3 Music Quiz: The Outer Limits. This episode is from May 19 and the theme for the quiz is Reasons to be Cheerful (Pt. 3). As always, it is based on popular music clips from a variety of genres from the last 100 years or so. It features songs about happiness! And joy! And some sorrow! Level of difficulty: Medium. Previous episodes are available here: play.mau.se/channel/K3%2BMUSIC%2BQUIZ/307569