Portal 2 is not a traditional music artist but a video game developed by Valve Corporation, released in 2011. However, the game's soundtrack, which features tracks like "Reconstructing Science," was composed by Mike Morasky, who is credited as the artist for the Portal 2 music. Morasky is a composer and sound designer at Valve, known for his work on several iconic games, including Left 4 Dead and Team Fortress 2. His music for Portal 2 blends electronic, ambient, and experimental styles to match the game’s sci-fi atmosphere.