Artists like Neal Morse

Moon Safari is a Swedish progressive rock band formed in Skellefteå in 2003. It gained recognition after it recorded a demo tape that caught the attention of keyboardist Tomas Bodin of The Flower Kings. Their genre is predominantly symphonic rock, though their music incorporates many different styles. Common characteristics of their sound include intricate vocal harmonization, acoustic or smoothly electric instrumentals, and pervasive tonal structures in the major and minor modes.

Phish is an American rock band formed in Burlington, Vermont, in 1983. The band consists of guitarist Trey Anastasio, bassist Mike Gordon, drummer Jon Fishman, and keyboardist Page McConnell. All four members perform vocals, with Anastasio being the primary lead vocalist. The band is known for their musical improvisation and jams during their concert performances and for their devoted fan following.

Threshold are an English progressive metal band formed in Surrey in the late 1980s. The guitarist and producer Karl Groom has been the band's only consistent member.

Ayreon is a musical project by Dutch songwriter, singer, musician and record producer Arjen Anthony Lucassen. Ayreon's music is described as progressive rock, progressive metal and power metal sometimes combined with genres such as folk, electronica, experimental and classical music. The majority of Ayreon's albums are dubbed "rock operas" because the albums contain complex storylines featuring a host of characters, usually with each one being represented by a unique vocalist.