I know nothing about the band Wertmuller and The Doubleues. However, I do love how Simon Cuz appears in some of their videos. In this case, T'appartengo Simon appears around 1:20 as the blonde curly haired maid. Such a shame more bands don't have sissy maids in their videos.
If the embedded clip doesn't play for you, try https://www.youtube.com/watch?v=gsROS25MPHU