"Hokusai Meets Fibonacci Golden Ratio" by Ars Brevis This is an example of the golden ratio. The wave creates the curved effect which is pleasing to the eye. It has a rhythm to it, like you are counting up to the curve of the wave.
Parametric wall by Pmetric on Etsy
View Vector Art of Wave Elements. Find premium, high-resolution photos at Getty Images.
This Cole & Son Wave Wallpaper has a Hokusai vibe, but would look perfect in even the preppiest of homes.
Another cool take at sound waves - a little too muted/subtle for a brand, but we could try using some nice gradients in a sound wave?
Making waves by Brian Steely
ukiyo-e woodblock print The Great Wave off Kanagawa, one of the best-recognized works of Japanese art in the world
Как создать эффект "небрежных волн" - простая техника укладки (видео)