You may be pulling from different influences because of different things that are going on in your life, different people that are around you and more experiences to pull from.
“Without sounding pompous, I really do feel that I have a set of standards that I must adhere to, even leaving aside considerations of what the readers expect.”
“I'm very soulful. I grew up singing in church. When I sing a song, I like to feel what I'm singing.”