Which innovative product design was specifically created for Broadway's 'The Lion King' to solve a unique performance challenge?

The performing arts industry has seen numerous product innovations to enhance audience experience and performer capabilities. From cutting-edge stage technologies to specialized merchandise, these products have transformed how we experience live performances. Test your knowledge about the intersection of product design and the performing arts with this challenging trivia question!

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Lightweight carbon fiber stilts integrated into costume legs that allowed actors to move naturally while appearing as four-legged animals
Transparent LED screens that created 3D holographic effects for the wildebeest stampede scene
Voice-modulating microphones that automatically adjusted performer vocals to match animal character tones
Motion-capture bodysuits that translated actor movements into animated backdrops in real-time