BT & Au5 – Partysaurus Overflow (Original Mix) I doubt my toys will ever rage with me, I can at least recreate the scene with the video's official theme song, "Partysaurus Overflow. Related Posts: Au5 and HALIENE collide—stream ‘Was It You’ First Listen: Dylan Matthew acoustically reconfigures his Tritonal and Au5 tie-up, ‘Happy Where We Are’