To subtly express the ideas of extreme liberalism in music while avoiding widespread detection, you may consider using the following musical forms and techniques: 1. **Metaphorical Lyrics**: convey ideas through the use of metaphors, symbols, and abstract language, so that the surface meaning of the lyrics can be vague or ambiguous, while the true intention of the inner expression requires in-depth interpretation. 2. **Instrumental Music**: use pure musical works without lyrics to guide the audience to feel the theme of liberalism through melody, harmony, and rhythm. The instrumentation and form can express individuality and freedom that breaks through tradition. 3. **Jazz and Improvisational Music**: jazz is characterized by improvisation and can represent individual freedom, creativity, and individual expression. It is a form of music that naturally expresses liberalism. 4. **Experimental Music**: use unusual sounds, structures, and techniques to break the rules of traditional composition. This form of music often emphasizes breaking conventions and challenging traditions, which can reflect the spirit of extreme liberalism. 5. **Electronic and Synthesizer Music**: these types of music are often based on technology and innovation, and can express the avant-garde and futuristic sense of liberalism in sound effects and arrangements. 6. **Altering traditional musical forms**: Intentionally breaking or reorganizing traditional musical forms, such as the standard ABA structure, in order to express a challenge to convention and a pursuit of individualism. These strategies can help embed radical liberal ideas in music without drawing too much direct attention. In the context of music, these ideas can be communicated in a more subtle and engaging way through creative artistic expression.