Assu has been influenced by traditional Sami Joik. Ulla Pirttijarvi joiks of her relatives and her home villages Utsjoki and Angeli. Olav Torget and Harald Skullerud join on string instruments and percussions. The ensemble draw further inspiration from West African grooves and tradition. They vary their expression from wide atmospheres and quiet moods all they way to more uptempo grooves. The world music scene has long enjoyed their music especially around African and Arabic tradition. This has influenced the choices of instrumentation and has been the basis of their unique sound.