Music to me is a way to express and to relate your feelings...to what though? If you're in a mellow happy mood you play (or find someone else's music to listen to) in "that mood".
Sometimes (in fact, usually) I play someone else's music and try to do it better. How can I POSSIBLY play some other guy's music better? Only one way really, and that is to make it fit the mood of the moment. Music is the conduit from which feelings are transposed, transmitted, shared, surmised, and I could go on speaking abstractly all day, and never getting to where I want to be with this statement...so share your music, because it isn't really music until you share it - God bless...