Final answer:
Retiring from touring had a significant impact on The Beatles' approach to songwriting. They shifted their focus to more complex musical arrangements and innovative techniques, resulting in iconic albums.
Step-by-step explanation:
The impact of retiring from touring on The Beatles approach to songwriting was significant. Prior to retiring from touring, The Beatles had primarily focused on creating songs that could be performed live in concert. However, the grueling schedule and pressures of touring led the band to reevaluate their approach to songwriting. They began experimenting with more complex musical arrangements and incorporating innovative techniques and sounds that would not have been feasible to replicate live. This shift allowed The Beatles to push the boundaries of their creativity and create iconic albums like 'Sgt. Pepper's Lonely Hearts Club Band' and 'The White Album'.