polytonally
/ˌpɑliˈtoʊnəli/
adverb
- In a way that uses two or more musical keys at the same time.
- The composer wrote the piece polytonally, blending two keys to create a unique sound.
- In the jazz improvisation, the pianist played polytonally, layering different harmonies.
- The orchestra performed the modern symphony polytonally, surprising the audience with its complexity.