A poster of 'The Sound Of Silence' is visualised meaning of words to use metaphor. A word 'sound' visualises to notes and 'silence' is empty manuscript. Pile of notes serves interesting and a sense of humour. And it uses space and symmetrical layout.
The Extraordinary Benefits of Learning Music - "Students who learn music at an early age are more likely to excel in other extracurricular activities. They are also three times more likely to earn a bachelor’s degree." Just in case you didn't know :)