Christopher John Cornell was an American singer, songwriter, and musician best known as the lead vocalist and rhythm guitarist for the rock bands Soundgarden and Audioslave. He also had a solo career and contributed to soundtracks. Cornell was also the founder and frontman of Temple of the Dog, a one-off tribute band dedicated to his late friend Andrew Wood.
Beck David Hansen is an American musician, singer, songwriter, and record producer. He rose to fame in the early 1990s with his experimental and lo-fi style, and became known for creating musical collages of wide-ranging genres. He has musically encompassed folk, funk, soul, hip hop, electronic, alternative rock, country, and psychedelia. He has released 14 studio albums, as well as several non-album singles and a book of sheet music.
Arjen Anthony Lucassen is a Dutch singer, songwriter, multi-instrumentalist musician and record producer best known for his long-running progressive metal/rock opera project Ayreon. Lucassen started his career in 1980 as the guitarist and backing vocalist of Dutch band Bodine as Iron Anthony, before joining Vengeance in 1984. After eight years he left the band, wanting to go into a more progressive direction, and released two years later an unsuccessful solo album entitled Pools of Sorrow, Waves of Joy under the nickname Anthony.