ONE OK ROCK's Collaborators and Guests
Will IDAP
| Birth Name | William Wiik Larsen |
| Birth Date | Sep 15, 1986 (age: 39) |
| Birth Place | Oslo, Norway |
William Wiik Larsen, known professionally as Will IDAP, is a Norwegian songwriter, producer, and multi-instrumentalist recognized for his genre-spanning work with international artists. With a knack for blending pop sensibilities with modern production techniques, he has contributed to numerous global hits across pop, hip-hop, and rock.
Collaboration with ONE OK ROCK
Will IDAP co-wrote NASTY from ONE OK ROCK's 2025 album DETOX, helping shape its hard-hitting, contemporary sound.
