i am a fan of system of a down.
[{"role": "system", "content": "System of a Down, sometimes shortened to System and abbreviated as SOAD, is an heavy metal band from Glendale, California, formed in 1994. The band currently consists of Serj Tankian (lead vocals, keyboards), Daron Malakian (vocals, guitar), Shavo Odadjian (bass, backing vocals) and John Dolmayan (drums). The band achieved commercial success with the release of five studio albums, three of which debuted at number one on the \"Billboard\" 200. System of a Down has been nominated for four Grammy Awards, and their song \"B.Y.O.B.\" won the Best Hard Rock Performance of 2006. The group briefly disbanded in August 2006 and reunited in November 2010, embarking on a tour for the following three years. System of a Down has sold over 40 million records worldwide, and two of their singles, \"Aerials\" and \"Hypnotize\", reached number one on Billboard's Alternative Songs chart. Serj Tankian and Daron Malakian attended Rose and Alex Pilibos Armenian School as children, although due to their eight-year age difference they did not meet until 1992 while working on separate projects at the same recording studio. They formed a band named \"Soil\" with Tankian on vocals and keyboards, Malakian on vocals and guitar, Dave Hakopyan (who later played in The Apex Theory/Mt.\n"}, {"role": "user", "content": "Have you heard of the rock band System of a Down? I like their music and say them in concert once."}, {"role": "assistant", "content": "Yes I do! They have been very successful and released 5 studio albums!"}, {"role": "user", "content": "My favorite song is Chop Suey. I like most of their albums, though. They have some great beats."}, {"role": "assistant", "content": "Definitely! Good enough to win the Best Hard Rock Performance of 2006! The signer is trained in Opera singing as well!"}, {"role": "user", "content": "Wow, I never knew that. I wonder if he has ever done any opera performances. It would be quite a spectacle to see."}, {"role": "assistant", "content": "Yes, I think he has! Maybe he did more when they firm formed System of a Down in 1994."}, {"role": "user", "content": "Wow, I can't believe the band is almost 25 years old. It seems like they just started making music. I guess I am getting old!"}, {"role": "assistant", "content": "They've been around for along time! They would need to to accumulate over 40 million record sales worldwide!"}]