Final answer:
Gamelan gong kebyar costumes are embellished versions of everyday dress, including leather ornaments, embroidered velvet jacket, short skirt, waist sash, and ankle bells. The sampur and gongsèng differentiate characters and highlight the performer's movement.
Step-by-step explanation:
The statement about gamelan gong kebyar that is true is that the rest of the costumes are embellished versions of everyday dress.
They include leather ornaments on the head and ears, an embroidered velvet jacket, a short skirt over black knee-length pants, a waist sash, and ankle bells. The sampur and the gongsèng are important parts of the costume that differentiate the characters and highlight the movement of the performer.