content: do
      (x0, y0) <- mouse
      let (x, y) = quantise2 quantum (x0, y0)
      root <- currentPlane
      sum89  <-  new' "sum8"
      container7 <- container' "panel_sum8.png" (x+(0.0), y+(0.0)) (Inside root)
      plugin10 <- plugin' (sum89 ! "signal1") (x+(-60.0), y+(168.0)) (Outside container7)
      setColour plugin10 "#sample"
      plugin11 <- plugin' (sum89 ! "signal2") (x+(-60.0), y+(120.0)) (Outside container7)
      setColour plugin11 "#sample"
      plugin12 <- plugin' (sum89 ! "signal3") (x+(-60.0), y+(72.0)) (Outside container7)
      setColour plugin12 "#sample"
      plugin13 <- plugin' (sum89 ! "signal4") (x+(-60.0), y+(24.0)) (Outside container7)
      setColour plugin13 "#sample"
      plugin14 <- plugin' (sum89 ! "signal5") (x+(-60.0), y+(-24.0)) (Outside container7)
      setColour plugin14 "#sample"
      plugin15 <- plugin' (sum89 ! "signal6") (x+(-60.0), y+(-72.0)) (Outside container7)
      setColour plugin15 "#sample"
      plugin16 <- plugin' (sum89 ! "signal7") (x+(-60.0), y+(-120.0)) (Outside container7)
      setColour plugin16 "#sample"
      plugin17 <- plugin' (sum89 ! "signal8") (x+(-60.0), y+(-168.0)) (Outside container7)
      setColour plugin17 "#sample"
      plugout18 <- plugout' (sum89 ! "result") (x+(60.0), y+(0.0)) (Outside container7)
      setColour plugout18 "#sample"
      recompile
      return ()
  