I think the deaths of Big, Pac,.
Biggest nonsense that too many people talk about, that really glossy sound was always there. Look back at some of hits from that early mid 90's era. And Big was always playing both sides from jump, same as Pac, except on the Makaveli album.
[ame]https://www.youtube.com/watch?v=b3RKcha3i7A[/ame]