So much of reading is fictional and stimulates the imagination. Even informative reading fills the mind with information to be used creatively. She has drawn a scar on tape and fastened it to her doll's forehead and made a pair of glasses from paper for the doll to wear. Music is a great way to enhance creativity. Because it is the universal language, it can set moods more effectively than almost anything.
Children are naturals at singing and dancing.
Just add the music, and they can create the rest. Our daughter Melissa plays music so her young children can dance every evening after dinner, when it's not quite bedtime, but the happy edge is wearing thin. You don't have to have a great voice to sing with your family. When our first children were very young, Steve made up a little song as we worked to pick up the toys. We also composed a family song.