Following up on my post on capsule
here...
Before they went strongly electro, here is a video of capsule in their neo-Shibuya-kei days from the early part of this decade, performing "Plastic Girl":
They often evoke comparisions to the legendary Pizzicato Five, godfathers of the Shibuya-kei movement, which enjoyed its heyday in Japan during the 1990s.
Here is a video of Pizzicato 5 performing "La Règle du jeu" ("The Rules of the Game"; after the famous 1939 film by French director Jean Renoir), featuring lead singer Nomiya Maki on vocals: