anchor.diff:  
          ;; Song elements:
   
  -       (phase-aaab (a b) (seq a a a b))
  +       (phrase-aaab (a b) (seq a a a b))
   
          (four-on-the-floor () (repeat 4 (thump 32 (et -24))))
   
  
positive.code:       ;; Funky section
        (seq
         (para
          (phase-aaab
           (measure
            (rhythm #'thump '(0 0 0 0 7) -12)
            (seq (swagger) (stagger)))
  
negative.code:     (align 16)
  
      (song
       (seq
        ;; Smooth section
        (seq
         (para
          (phrase-aaab
           (intro-beat)
           (intro-fill-1))
          (seq
  