Well with that I am a huge Roy Bittan fan, 85% of keyboard players I know aren't. He is monster player though. I have 7 different ways Roy might play the outro to Backstreets from 7 different shows from 1975 till about the mid-80s. And he never really plays a song the same way. Again, you have to live in that world to grab those parts unless you are trying to just cover the song. I can't emphasize enough that you have to kind of deep dive into music you love. Use them also as a model to influence your own experiences.