Vichaya Vatanasapt (Thai: วิชญ วัฒนศัพท์) is a Thai musician, composer and music producer, best known for film scores produced through his studio Hualampong Riddim. Vichaya graduated in architecture from King Mongkut's Institute of Technology Ladkrabang, and only had informal training in music. Upon graduation, he joined the band La-Ong-Fong, and went on to pursue a career in music instead of architecture. After La-Ong-Fong, he worked with the band , co-founding Hualampong Riddim in 1999 as an indie label to manage the band as well as his own electro-pop project The Photo Sticker Machine.