Riffusion.

Riffusion is a website that helps people create music and audio. It provides tools to help people make music using their computer or mobile device. It also has a free tier, so people can try out the tools without paying anything. The website provides tools to help people manipulate sound and create new sounds, as well as tools to help them mix and edit their creations. People can also share their creations with others, and collaborate with other musicians on projects. Riffusion makes it easy for anyone to make music, no matter what their skill level is.