Pet Sounds was a response to Rubber Soul, not necessarily musically, but because it was really the first concept album with a theme throughout.
Brian's abandonment of SMiLE was more of an impetus in Brian's decline mentally (that and all the drugs). Why did he abandon SMiLE? There are many theories.
@goodmorningmisterben Several things:
Pet Sounds was a response to Rubber Soul, not necessarily musically, but because it was really the first concept album with a theme throughout.
Brian's abandonment of SMiLE was more of an impetus in Brian's decline mentally (that and all the drugs). Why did he abandon SMiLE? There are many theories.