Thanks to Kurt Max. They are NOT playing at the same time as Jimi. This snippet is from the documentary's trailer so it was spliced together like that for quickness of the trailer. The audio does exist. David Kramer owns the rights to the visual but EH may not allow him to use the audio. This is the first known footage out side of the silent colour super 8 footage that’s been floating around for years. ... https://www.youtube.com/watch?v=F_lirMGlwIU