Ollano is comprised of French musicians Mark Collin and Xavier Jamaux and vocalists Sandra Nkake and Helena Noguerra and few others.
Together they create jazzy, sultry, and mysterious sounds on their only commercial release, Ollano, in 1998. In their music they use wawa guitar, bass, wurlitzer, percussion and samples. Vocals are performed in French and English. Ollano's music is typically categorized as Electronica.