Artists like Flying Colors

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.

Haken are an English progressive metal band formed in 2007 by multi-instrumentalist Richard Henshall, guitarist Matthew Marshall, and vocalist Ross Jennings. While Henshall, Marshall, and Jennings first had the idea of forming Haken in 2004, they opted to pursue their instruments and songwriting first. Upon recruiting other members three years later, they eventually released the demo Enter the 5th Dimension in 2008, signing with Sensory Records and releasing their first album, Aquarius, in 2010. As of 2026, they have released seven studio albums, two EPs, and two live albums.

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.

Pain of Salvation is a Swedish progressive metal band led by Daniel Gildenlöw, who is the band's main songwriter, lyricist, guitarist, and vocalist. Pain of Salvation's sound is characterised by riff-oriented guitar work, a broad vocal range, oscillation between heavy and calm passages, complex vocal harmonies and the structures of their albums, syncopation, and polyrhythms. Thus far, every album released by the band has been a concept album. Lyrically, the band tends to address contemporary issues, such as sexuality, war, the environment, and the nature of God, humanity, and existence.

Chickenfoot is an American hard rock supergroup formed in 2008. The group consists of vocalist Sammy Hagar, bassist Michael Anthony, guitarist Joe Satriani, and drummer Chad Smith. Due to Smith's consistent recording and touring commitments with the Red Hot Chili Peppers, Kenny Aronoff joined the group in 2011 as a touring replacement drummer. While the band has not formally announced a breakup, in June 2016 Smith said that he had doubts about its survival due to their busy schedules.

Lunatic Soul is a progressive rock side-project founded by Riverside vocalist and bass guitarist Mariusz Duda in 2008. Originally conceived to allow him to explore genres outside of rock, the project was described by Duda in 2014 as progressive, ambient, oriental, and electronic. Lunatic Soul has released eight albums to date. The most recent, The World Under Unsun, came out in October 2025.