Avain aka. Asa and Asa Masa is a Finnish rapper. His debut album, Punainen tiili, was released with the name Avain, in 2001 and it reached the #5 of Finlands billboard.

He later changed his artist name and is now known as Asa. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.