Top 10 Rock Bands that Switched Genres of Music

The Top Ten
1 Pantera Pantera was an American heavy metal band formed in 1981 by guitarist Dimebag Darrell and drummer Vinnie Paul. The band started out as a glam metal act in the 1980s with little success. After discarding their original lead vocalist and enlisting Phil Anselmo, the band signed a major record deal with Warner Music Group via Atco Records. Around this time, Pantera underwent a major change in their musical... read more

Pantera did the right thing in changing genres. If they didn't, what is Pantera, let alone them being the most prominent 90s Metal Band (Outside Metallica of course) and bringing in Groove Metal into the Metal History lore.

Yeah they made major changes in their music...

Glam Metal to Groove Metal

2 Metallica Metallica is an American Heavy/Thrash Metal band formed in 1981. The original lineup was James Hetfield (Vocalist and Rhythm guitarist), Dave Mustaine (Lead Guitar), Lars Ulrich (Drums), Ron McGovney (Bassist). The group came into mainstream from their Self-Titled album and the hit single "Enter Sandman".

With their first two albums, Kill 'Em All and Ride The Lightning reaching underground success, their third effort, Master of Puppets has since become one of the most important heavy metal albums ever, as it became the first thrash metal album to be certified platinum. The title track has since become the band's most played song live. ...read more.

They've had great slower songs from Lighting to Justice, so it isn't exactly a surprise that the Black Album was gonna be great. I love "Hero of the Day", "Mama Said", "The Unforgiven II" and "Fuel", but I do admit that Metallica is at their best when it comes to Thrash Metal.

Heavy metal to blues rock and then pop rock

Thrash to Heavy Metal

3 Megadeth Megadeth is an American thrash metal band from Los Angeles, California. Megadeth was formed in 1983 by guitarist Dave Mustaine and bassist David Ellefson, shortly after Mustaine was fired from Metallica. They have released 15 studio albums to date, and have gone through many lineup changes, with Dave Mustaine being the sole constant member.

They released their debut album “Killing Is My Business...And Business Is Good!” in 1985, but became successful after the release of “Peace Sells...But Who’s Buying?” in 1986. ...read more.

Thrash metal to heavy metal and then thrash metal again

Thrash to Heavy Metal to Hard Rock

4 Overkill Overkill is an American thrash metal band, formed in 1980 in New Jersey. They have gone through many line-up changes, with singer Bobby "Blitz" Ellsworth and bassist D.D.
5 Judas Priest Judas Priest are a British heavy metal band that formed in Birmingham, England, in 1969. They are often referred to as one of the greatest metal bands of all time, and are even commonly called “The Metal Gods”, after one of the songs on their 1980 album “British Steel”.

They are known for several of their hit songs, which include “Painkiller”, “Breaking The Law”, You’ve Got Another Thing Coming”, and “Turbo Lover”.
Their original lineup consisted of Al Atkins (vocals), K.K. Downing (lead/rhythm guitar), Ian Hill (bass), and John Ellis (drums). Atkins never recorded on any Judas Priest releases, but contributed to several songs. ...read more.

They were also a bit glammy- mind you, the best glam I have ever heard with songs like Turbo Lover and Locked In. Both are wonderful songs however.

Heavy metal to glam rock

6 Anthrax Anthrax is an American thrash metal band from New York City, formed in 1981 by guitarist Scott Ian and bassist Dan Lilker.
7 Deep Purple Deep Purple are an English rock band formed in Hertford in 1968. They are considered to be among the pioneers of heavy metal and modern hard rock, although their musical approach changed over the years. Originally formed as a progressive rock band, the band shifted to a heavier sound in 1970. Deep Purple, together with Led Zeppelin and Black Sabbath, have been referred to as the "unholy trinity of British hard rock and heavy metal in the early to mid-seventies". They were listed in the 1975 Guinness Book of World Records as "the globe's loudest band" for a 1972 concert at London's Rainbow Theatre, and have sold over 100 million albums worldwide. ...read more.

Psych rock to prog rock, then to hard rock and heavy metal.

8 Black Sabbath Black Sabbath were a Heavy Metal band formed in Birmingham, England in 1968 by guitarist and songwriter Tony Iommi, singer John "Ozzy" Osbourne, bassist and main lyricist Geezer Butler and drummer Bill Ward.

The band became mainstream after improving after their debut album got panned. In 1978, Osbourne was fired and replaced with former Rainbow vocalist Ronnie James Dio. Who went to release 2 albums before leaving in 1983, only for Osbourne to return in 1992. ...read more.

I thought that they were hard rock

Blues rock to heavy metal

Debateable but they were psychedelic rock before theh were metal

Psychedelic?

9 Def Leppard Def Leppard are an English hard rock band formed in 1977 in Sheffield as part of the new wave of British heavy metal movement.

Their first two albums were great. Then they went glam.

Heavy Metal to Glam Metal

10 The Beatles The Beatles were an English pop rock band formed in Liverpool in 1960. The members consisted of John Lennon, Paul McCartney, George Harrison and Ringo Starr. They were soon known as the foremost and most influential act of rock era. Rooted in skiffle, beat, and 1950s rock and roll, the Beatles later ...read more.

Pop rock to psychedelic rock.

The Contenders
11 Pink Floyd Pink Floyd are an English progressive rock band formed in 1965 in London, England. They achieved international acclaim with their progressive and psychedelic music. The band consisted of 5 members - David Gilmour (Vocals and Guitar), Syd Barrett (Vocals and Guitar), Nick Mason (Drums), Roger Waters (Vocals and Bass), and Richard Wright (Vocals and Keyboard). Barrett was replaced by Gilmour in 1968. ...read more.

Psych to prog.

12 Blind Guardian Blind Guardian is a German power metal band formed in the mid-1980s in West Germany. They are often credited as one of the seminal and most influential bands in the power metal and speed metal subgenres. Heavily influenced by Queen, they use the technique of overdubbing. They also incorporate large amounts of orchestral arrangements. Hansi Kürsch creates a huge choir effect by overdubbing his own voice multiple times in complex, overlapping harmonies. Thanks to overdubs and numerous backing vocals Blind Guardian stand out with a very dense sound.

Thrashy speed metal > power metal > progressive power metal > symphonic metal.

13 Sepultura Sepultura is a Brazilian heavy metal band from Belo Horizonte. Their first album, Morbid Visions presented a proto-black metal sound with Wagner Lamounier of Sarcófago. Sepultura's sound varies by the album, from thrash metal, groove metal, and even death metal.
14 Rush Rush was a Canadian progressive rock band that was formed in 1968. The band has had an iconic lineup since 1975, which included Neil Peart (Drums, Percussion), Geddy Lee (Vocals, Bass, Keyboards), and the guitarist, Alex Lifeson. Peart passed away after a 3 year battle with brain cancer in January of 2020. Because of this, Lee says there are no plans to keep the band going, so Rush is most likely defunct. The band has become one of the most well-known progressive rock bands in the world, with such albums as "2112", "Hemispheres" and "Moving Pictures". More than half of their albums have gone gold or platinum, as certified by the RIAA (Recording Industry Association Of America).

Hard rock to prog rock.

15 Coldplay Coldplay are a British pop rock band formed in 1996. The band consists of Chris Martin (lead vocalist and pianist), Jonny Buckland (lead guitarist), Guy Berryman (bassist) and Will Champion (drummer and backing vocalist). Manager Phil Harvey is often considered an unofficial fifth member. The band renamed themselves "Coldplay" in 1998. Before making their debut album, they recorded and released three EPs: Safety in 1998, Brothers & Sisters as a single in 1999, and The Blue Room in the same year. The Blue Room was their first release on a major label, after signing to Parlophone. ...read more.

I assume from alt rock to pop rock.

16 Queen Queen are an English rock band formed in London in 1970. The original lineup was Freddie Mercury (lead vocals, piano), Brian May (guitar, vocals), Roger Taylor (drums, vocals), and John Deacon (bass guitar, vocals). Before forming into Queen, Brian May and Roger Taylor had played together in a band ...read more.

Started as a more prog-rock band on their first two albums, before switching to a more pop/hard rock sound from Sheer Heart Attack onwards. Their prog-sound was better (especially on the classic that is Queen II), but they did have some great albums under their new banner.

17 Suicidal Tendencies Suicidal Tendencies is an American crossover thrash band founded in 1980 in Venice, California by vocalist Mike Muir, who is the only remaining original member of the band. The band is often credited as one of "the fathers of crossover thrash".

Punk to thrash metal

18 Ramones The Ramones were an American punk rock band that formed in the New York City neighborhood of Forest Hills, Queens, in 1974. They are often cited as the first band to define the punk rock sound.

They always stuck to punk, but they became more pop-punk in later days.

19 Green Day Green Day are an American pop punk/punk rock band formed in East Bay, California in 1987. The members include Billie Joe Armstrong (vocals and guitar), Mike Dirnt (bass), Tré Cool (drums) and Jason White (guitar). Green Day are associated with punk rock, pop punk and alternative rock. Some of their influences include The Ramones, Sex Pistols, NOFX, and Bad Religion. They are best known for their songs like ‘Boulevard of Broken Dreams’, ‘Basket Case’ and their ‘American Idiot’ & ‘Dookie’ albums. American Idiot sold 6 million copies in the U.S. and won a Grammy Award for "Best Rock Album". Green Day have sold over 75 million records worldwide and have won 5 Grammy Awards. They ...read more.

If you noticed they diverted a lot into alt rock from punk rock, then again started pop-punk.

20 Linkin Park Linkin Park is an American alternative rock band formed in Agoura Hills, California, in 1996. The current members include Mike Shinoda (vocals, keyboards, rhythm guitar), Brad Delson (guitar), Dave "Phoenix" Farrell (bass), Joe Hahn (DJ), and Rob Bourdon (drums). Linkin Park is associated with a mixture of alternative rock, hip hop, and techno. Some of their influences include Nine Inch Nails, Deftones,... read more

Hard Rock to Soft Rock to Experimental Rock back to Hard Rock.

21 Opeth Opeth is a Swedish progressive death metal band from Stockholm, formed in 1990 by David Isberg, who invited Mikael Akerfeldt into the band as a bassist. Isberg ended up leaving the band, which lead to Mikael becoming the band's vocalist, guitarist, principal songwriter, and driving force. Along with Edge of Sanity, Opeth is credited with being the first progressive death metal band, although they now play progressive rock. Akerfeldt is good friends with Jonas Renkse of Katatonia, and Steven Wilson of Porcupine Tree.

Progressive death metal to prog rock.

22 Alice In Chains Alice in Chains is an American grunge/alternative metal band formed in Seattle, Washington, in 1987 by guitarist and songwriter Jerry Cantrell and original lead vocalist Layne Staley.

Hard Rock to grunge

23 Primus Primus is an American funk metal band based in San Francisco, California, currently composed of bassist Les Claypool, guitarist Larry LaLonde and drummer Tim Alexander. Les Claypool is regarded as one of the best bassists of all time for his slap-bass ability in notable songs like "My Name Is Mud", "The Toys Go Winding Down", and "Jerry Was a Racecar Driver".

Experimental funk metal that ever so slowly shifted into progressive rock.

24 Jethro Tull Jethro Tull are a British rock group, formed in Luton, Bedfordshire, in December 1967. Initially playing blues rock, the band soon developed its sound to incorporate elements of British folk music and hard rock to forge a progressive rock signature.

Folk/Blues Rock to Prog Rock (with shades of folk) then back to Folk, to Electronic Rock to Hard Rock then back to...?

25 Rainbow Rainbow are a British rock band led by guitarist Ritchie Blackmore from 1975 to 1984 and 1993 to 1997. They were originally established with Ronnie James Dio as the lead singer and lyricist. Rainbow were ranked No. 90 on VH1's 100 Greatest Artists of Hard Rock. The band has sold over 28 million albums ...read more.
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