This episode is just a link to two other articles on other peoples' podcasts:

1. Rain is sizzling bacon, cars are lions roaring: the art of sound in movies by Jordan Kinsner in the Guardian
   
   (audio version here / text version here)
   
   Written by Jordan Kisner and read by Christopher Ragland; Produced by Simon Barnard.
2. Sounds natural by 99 Percent Invisible.
   
   (listen here)
   
   Producer Emmett FitzGerald spoke with film producer Chris Palmer; Foley artist Richard Hinton and sound recordist Chris Watson.

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If you want to listen to more, look at these interesting 99 Percent Invisible audio episodes

• The Sound of the Artificial World
• Cartoon Sound Effects
• The Sizzle 
• Symphony of Sirens

And these practical guides:

• Using music with the Kitchen Sisters
• Sound design with Haley Shaw
• The Parallel Worlds Resources page has many more links to sound design articles!