Andrew Gregory Sega (/ˈsiːɡə/; born May 20, 1975), also known as Necros, is an American musician best known for tracking modules in the 1990s demoscene as well as for composing music for several well-known video games. He is currently part of the group Iris and a live member of Stromkern, and has his own recording label known as Diffusion Records. Sega's main solo project is known as The Alpha Conspiracy.