* Art: "The gallery showcased the work of several avant-garde artists, known for their experimental and unconventional styles."
* Music: "Their music was considered avant-garde for its use of dissonant harmonies and unconventional rhythms."
* Fashion: "The designer's collection was a bold statement of avant-garde fashion, with its futuristic silhouettes and unconventional use of materials."
* Literature: "The novel's experimental narrative structure and challenging themes placed it firmly in the realm of avant-garde literature."
* Politics: "The political party's platform was considered avant-garde for its radical proposals on social justice and economic equality."
Remember that "avant-garde" generally refers to something that is innovative, unconventional, and ahead of its time. It can be used in a variety of contexts, but it often carries a positive connotation, suggesting originality and creative vision.