Opera At The Mill 2020 Opera At The Mill 2019 and 2020 were produced by Focus Promotions at The Herritage Mill in Jarrahdale for the Shire of Serpentine/Jarrahdale. We can deliver any size and format of Opera and or Classical Music event. GalleryVideosGalleryVideos Contact Us Please enable JavaScript in your browser to complete this form.Name *FirstLastEmail *Comment or MessageCommentSubmit