The main footage in and around the amphitheater was filmed over four days in October 1971, using the band's regular touring equipment, including a mobile 8-track recorder from Paris (before being bumped up to 16-track in post-production).
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: The main footage in and around the amphitheater was filmed over four days in October 1971, using the band's regular touring equipment, including a mobile 8-track recorder from Paris (before being bumped up to 16-track in post-production). ### Response: .