Final answer:
Phil Spector was an influential American music producer known for his 'Wall of Sound' production style. He used layering, large ensembles, and effects to create a dense and full-sounding recording.
Step-by-step explanation:
Phil Spector was an influential American music producer and songwriter. He is known for his innovative recording techniques and his creation of the 'Wall of Sound' production style.
The 'Wall of Sound' is a technique Spector developed that involved layering multiple instruments and vocal tracks to create a dense and full-sounding recording. He used large ensembles of musicians and singers to achieve this effect, often doubling or tripling the number of performers compared to traditional recording methods.
Spector's studio recording techniques also involved using echo, reverb, and other effects to enhance the sound. He was known for his meticulous attention to detail and would often spend hours perfecting the mix of a song.