Final answer:
Geoff Emerick made several changes for recording drums, including close miking, unconventional microphone placement, and innovative studio techniques.
Step-by-step explanation:
Geoff Emerick, a music engineer, made several changes in recording drums to achieve a unique sound. One of the notable changes was using close miking, where he placed multiple microphones close to different parts of the drum kit to capture each drum and cymbal individually. This allowed for better control and clarity of the drum sounds during the recording process.
Emerick also experimented with unconventional microphone placement, such as putting a microphone inside the kick drum or hanging one overhead. These placement techniques helped in capturing different qualities and nuances of the drum sound. Additionally, he used innovative studio techniques like manipulating tape speed and applying effects like flanging and echo to further shape the drum sound during mixing.