Alternative Rock Artist of the Year

Thirty Seconds to Mars (commonly stylized as 30 Seconds to Mars) is an American rock band from Los Angeles, California, formed in 1998. The band consists of brothers Jared Leto (lead vocals, guitar, bass, keyboards) and Shannon Leto (drums, percussion). During the course of its existence, it has undergone various line-up changes.

The band's debut album, 30 Seconds to Mars (2002), was produced by Bob Ezrin and released to positive reviews but only to limited commercial success. The band achieved worldwide fame with the release of its second album A Beautiful Lie (2005), which received multiple certifications all over the world. Its next release, This Is War (2009), showed a dramatic evolution in the band's musical style, as it incorporated experimental music as well as eclectic influences. The recording process of the album was marked by a legal dispute with record label EMI that eventually became the subject of the documentary film Artifact (2012). 

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Portugal. The Man is an American rock band from Wasilla, Alaska, currently residing in Portland, Oregon. The group consists of lead singer John Baldwin Gourley, Gourley's partner and background singer Zoe Manville, Zach Carothers, Kyle O'Quin, Jason Sechrist, and Eric Howk. Gourley and Carothers met and began playing music together in 2001 at Wasilla High School in Wasilla. Their first two albums, from 2006 and 2007, were released on Fearless Records.

On April 2, 2010, the band signed to Atlantic Records. On January 28, 2018, the band won "Best Pop Duo/Group Performance" category for their song "Feel It Still" at the 60th Annual Grammy Awards.

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Panic! at the Disco is an American rock band from Las Vegas, Nevada, formed in 2004 by childhood friends Brendon Urie, Ryan Ross, Spencer Smith and Brent Wilson. Since 2015, vocalist Urie has been the only official member of the band, with drummer Dan Pawlovich, bassist Nicole Row, and guitarist Mike Naran accompanying him on tour. Panic! at the Disco recorded its first demos while its members were in high school. Shortly after, the band recorded and released its debut studio album, A Fever You Can't Sweat Out (2005). Popularized by the second single, "I Write Sins Not Tragedies", the album was certified double platinum in the US. In 2006, founding bassist Brent Wilson was fired from the band during an extensive world tour and subsequently replaced by Jon Walker.

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Lovelytheband (stylized as lovelytheband) is an American indie pop band that formed in 2016 in Los Angeles.[1] The band members are vocalist Mitchy Collins, guitarist Jordan Greenwald, and drummer Sam Price.[2] The band is most known for their single "Broken" which has charted on several US Billboard charts. The band topped the Billboard Emerging Artists chart dated October 6, 2018.

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Imagine Dragons is an American pop rock band from Las Vegas, Nevada, consisting of lead vocalist Dan Reynolds, lead guitarist Wayne Sermon, bassist Ben McKee, and drummer Daniel Platzman.[1] The band first gained exposure with the release of their single "It's Time", followed by their award-winning debut studio album Night Visions (2012), which resulted in the chart-topping singles "Radioactive" and "Demons". Rolling Stone named "Radioactive", which holds the record for most weeks charted on the Billboard Hot 100, the "biggest rock hit of the year".[1][2][3] MTV called them "the year's biggest breakout band",[4] and Billboard named them their "Breakthrough Band of 2013" and "Biggest Band of 2017".[5] and placed them at the top of their "Year In Rock" rankings for 2013,[6] 2017,[7] and 2018.[8] Imagine Dragons topped the Billboard Year-End "Top Artists – Duo/Group" category in 2018.

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