Artists like Diablo Swing Orchestra

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.

Therion is a Swedish symphonic metal band founded by Christofer Johnsson in 1987. Its name, meaning "Beast" in Greek, was inspired by the Celtic Frost album To Mega Therion. Originally a death metal band, Therion adjusted its musical style by adding orchestral elements, including choirs, classical musicians, and even a full orchestra at their concert performances. As a result, they are considered pioneers of the symphonic metal genre.

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.

After Forever was a Dutch symphonic metal band with strong progressive metal influences. Originally formed as a death metal band in 1995 by Mark Jansen and Sander Gommans under the name Apocalypse, they later shifted their sound towards symphonic metal with the introduction of Floor Jansen to the band.

Nightwish is a Finnish symphonic metal band from Kitee. The band was formed in 1996 by keyboardist Tuomas Holopainen, guitarist Emppu Vuorinen, and former lead vocalist Tarja Turunen. The lineup grew with drummer Jukka Nevalainen and bassist Sami Vänskä. In 2001, Vänskä was replaced by Marko Hietala, who also took over the male vocalist role previously filled by Holopainen or guest singers. Nightwish has been successful in Finland since the release of their debut album, Angels Fall First (1997), and were later recognized internationally through the release of their albums Oceanborn (1998), Wishmaster (2000) and Century Child (2002).

Devin Townsend is a Canadian musician who has had a very prolific career, being a member of many projects and releasing 28 albums. He first got exposure when he sang lead vocals on Steve Vai's Sex & Religion album and tour in 1993, and when he played guitar on The Wildhearts 1994 European tour. He currently tours under his own name with guitarist and keyboardist Mike Keneally, bassist James Leach and drummer Darby Todd.

Epica is a Dutch symphonic metal band founded by guitarist and vocalist Mark Jansen after his departure from After Forever. Originally formed as a symphonic metal band with gothic influences, Epica later incorporated strong death metal elements into their sound. Starting with their third album, progressive metal influences also became evident. Additionally, the band often incorporates thrash metal and groove metal riffs, black metal elements, power metal sections, and influences from Arabic music. Some songs also incorporate electronic elements, djent transitions, and folk metal melodies inspired by Middle Eastern, Chinese, and Celtic traditions.

Symphony X is an American progressive metal band from Middletown, New Jersey. Founded in 1994, the band consists of guitarist Michael Romeo, keyboardist Michael Pinnella, drummer Jason Rullo, lead vocalist Russell Allen and bassist Michael LePond.

Sirenia is a Norwegian gothic metal band from Stavanger, founded in 2001 by Morten Veland.

Tristania was a Norwegian gothic metal band formed in 1996 by Morten Veland, Einar Moen and Kenneth Olsson. Tristania's music is usually classified as gothic metal. Their songs largely dealt with dark and sentimental topics, including depression, sadness, suicide, love, absence, and anger.

Xandria is a German symphonic metal band founded by Marco Heubaum in 1994. Originally a project, Heubaum later restarted the project as a band in 1999, and has gone through various lineup changes. The German vocalist Lisa Middelhauve joined for the debut album, co-writing both music and lyrics for the band until her departure in 2008. Middelhauve reunited briefly with the band in 2010 following the departure of the band's second vocalist Kerstin Bischof, but left again shortly after. Manuela Kraller joined the band as the new vocalist in 2010.

Within Temptation is a Dutch symphonic metal band founded in April 1996 by vocalist Sharon den Adel and guitarist Robert Westerholt. They have also been classified under other genres, with critics praising the band's experimentation and musical versatility. By 2016, the band had sold more than 3.5 million albums worldwide.

Apocalyptica is a Finnish symphonic metal band from Helsinki, formed in 1993. The band is currently composed of three classically trained cellists Eicca Toppinen, Paavo Lötjönen, and Perttu Kivilaakso. Originally a classical-style Metallica tribute band, the band eventually adopted a neoclassical metal style without the use of conventional guitars and bass. They have sold over four million albums to date.

Caligula's Horse is an Australian progressive metal band from Brisbane, Queensland. The band was formed by Sam Vallen and Jim Grey in early 2011. The current lineup consists of lead vocalist Jim Grey, lead guitarist Sam Vallen, bassist Dale Prinsse and drummer Josh Griffin. Caligula's Horse achieved their first chart success with their 2015 album release Bloom, with it reaching number 16 on the Australian Albums ARIA Chart and number 75 on the overall album chart. The album also reached number 73 on the Australian iTunes chart on 21 October 2015.

Kamelot is an American power metal band from Tampa, Florida, formed by Thomas Youngblood in 1987. The Norwegian vocalist Roy Khan joined for the album Siége Perilous, and shared songwriting credit with Youngblood until his departure in April 2011. On June 22, 2012, Youngblood announced on their website that their new vocalist would be the Swedish singer Tommy Karevik, who was first featured on Kamelot's album Silverthorn as the main vocalist, co-songwriter, and lyricist.

Between the Buried and Me, often abbreviated as BTBAM, is an American progressive metal band from Raleigh, North Carolina. Formed in 2000, the band consists of Tommy Giles Rogers Jr., Paul Waggoner, Dan Briggs, and Blake Richardson (drums).

Rhapsody of Fire is an Italian symphonic power metal band formed in Trieste by guitarist Luca Turilli and keyboardist Alex Staropoli. The band is widely considered a pioneer of the symphonic power metal subgenre. Originally formed in 1993 as Thundercross, the band released albums under the moniker Rhapsody before changing their name to Rhapsody of Fire in 2006 due to trademark issues. The band is known for their fantasy concept albums for both the Emerald Sword Saga and the Dark Secret Saga.

Leaves' Eyes is a symphonic metal band based in Germany, formed in 2003 by Liv Kristine and Alexander Krull (Atrocity). Kristine departed in 2016 and was succeeded by Elina Siirala. The band has released nine studio albums, a live album and DVD as well several singles and EPs.

Delain is a Dutch symphonic metal band formed in 2002 by keyboardist Martijn Westerholt. After his departure from Within Temptation in 2001, Westerholt formed Delain the following year, intending for the band to be solely a project, but stopped after the release of one demo. In 2005, Westerholt restarted Delain alongside singer Charlotte Wessels, and released the debut studio album, Lucidity, in September 2006. The band began to perform publicly following the positive reception the album received.