Envision a stylized icon for a note-taking app, incorporating a combination lock with musical notes and a key, symbolizing the idea of securing and organizing one's thoughts and ideas.

Create an illustration of a notepad with a music staff running across the top, featuring a series of musical notes and rests in various shapes and sizes to evoke a sense of creativity and inspiration.

Design a minimalist icon for a music notes app, featuring a stylized treble clef symbol with a subtle gradient effect and a modern sans-serif font to convey a sense of simplicity and elegance.