Ayreon is a progressive rock and metal music project created by Dutch musician Arjen Anthony Lucassen. Known for its rock operas, Ayreon combines various musical styles and features a wide range of guest musicians, often including well-known vocalists from the rock and metal genres. Each album typically tells a complex, science fiction-themed story, with characters portrayed by different singers. The project debuted in 1995 with the album The Final Experiment, which set the stage for future releases. Over the years, Ayreon has gained a dedicated fanbase and critical acclaim, with albums like Universal Migrator and The Source showcasing Lucassen's innovative approach to storytelling through music.