KAK5 is a vocal‑instrumental group from Ambon, Maluku, Indonesia, blending rich vocal harmonies with contemporary arrangements . The group consists of four vocalists—Marionie Serhalawan (soprano), Margie Sipahelut (mezzo‑soprano), Falantino Eryk Latupapua (tenor), and Michael Mailuhu (baritone)—who perform regularly at church, festivals, and community events in Ambon and beyond �. malukupost.com +3 They added Figgy Papilaya, a renowned pianist, arranger, and producer, to become a five-member ensemble—hence the name “KAK5,” a play on the Indonesian slang for “Kakak” (“older sibling”), with “5” marking their five members �. Figgy brings orchestral and studio experience from working with national acts and ensembles such as the Erwin Gutawa Orchestra �.