videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Kamen Rider Ghost/Specter - Sanzo Damashii Standby and Henshin Sound HD, Kamen Rider Specter - Tutankhamun Damashii Standby and Henshin Sound HD, Kamen Rider Ghost - Toucon Boost Henshin Sound HD