Nur Ein IX Round 3: Guest Family Member
The New Ugly
Nur Ein IX Round 4: Only Percussion and Voice (no pianos allowed)
Fast Lane Junkies
Nur Ein IX Round 5: Must include a section with both vocals & music in double time
The Average Circus
Nur Ein X Round 1: Use something from your garbage bin as an instrument
Nur Ein X Round 3: Must feature a guest who has never been in a Nur Ein song before.
Nur Ein X Round 4: Must use the voice or mouth sounds as an instrument (other than vocals)
Dogs of War
Nur Ein X Round 7: Bring Your A Game
Nur Ein XII Round 0: include a section of backwards singing or instrumentation
Nur Ein XII Round 1: Counter Melody
Nur Ein XII Round 3: Two or more guest vocalists, each appearing in a separate section of your song.
Nur Ein XIII Round 2: Ambience
Nur Ein XIII Round 3: Have a guest play a household item on the track