Given the question: Information: - Industrial metal is a musical genre that draws from industrial dance music, thrash metal and hardcore punk, using repeating metal guitar riffs, sampling, synthesizer or sequencer lines, and distorted vocals. Founding industrial metal acts include Ministry, Godflesh, and KMFDM. - Nu metal (also known as nu-metal and ) is a form of that combines elements of with elements of other music genres such as hip hop, alternative rock, funk and grunge. Nu metal bands have drawn elements and influences from a variety of musical styles, including multiple genres of heavy metal. rarely features guitar solos; the genre is heavily syncopated and based on guitar riffs. Many nu metal guitarists use that are down-tuned to play a heavier sound. DJs are occasionally featured in nu metal to provide instrumentation such as sampling, turntable scratching and electronic backgrounds. Vocal styles in include singing, rapping, screaming and growling. Nu metal is one of the key genres of the New Wave of American Heavy Metal. - Soul of a New Machine is the debut studio album by American industrial metal band Fear Factory. It was released on August 25, 1992. Although "Soul of a New Machine" was Fear Factory's first full-length studio album to be released, it was actually their second album to be recorded, after "Concrete", which was recorded in 1991 but not released until 11 years later. The album was remastered and re-released on October 5, 2004 in a digipak, packaged together with the remastered "Fear Is the Mindkiller" EP. - Melodic death metal (also referred to as melodeath or MDM) is a subgenre death metal that employs highly melodic guitar riffs, often borrowing from traditional heavy metal. The style originated and developed in Sweden (pioneered by At the Gates, Dark Tranquillity and In Flames) and the United Kingdom (pioneered by Carcass) during the early and mid-1990s. The Swedish death metal scene did much to popularize the style, soon centering in the "Gothenburg metal" scene. - Godflesh are an English industrial metal band from Birmingham. They were formed in 1988 by Justin Broadrick (guitar, vocals and programming) and G. C. Green (bass) and disbanded in 2002. Godflesh's innovative music is widely regarded as a foundational influence on industrial metal and post-metal. Broadrick and Green reformed Godflesh in 2010. - Andrew Shives was the former live bassist of the industrial metal group Fear Factory between 1992 and 1993 . His photo appeared on the Soul of a New Machine album jacket , but he did n't play on the album ( Dino Cazares played all bass tracks ) . In 1993 Fear Factory released a 7 '' single under their Spanish name Factoria De Miedo called Sangre De Ninos . This is the only material that was ever recorded in a studio with Andrew Shives on bass . He was forced to leave the band due to some internal disputes and was replaced by Christian Olde Wolbers . He then played for Cool for August for some years , and is now in a band called Paperstreet which is based in Atlanta , Georgia . - Thrash metal is an extreme subgenre of heavy metal music characterized by its fast tempo and overall aggression. The songs usually use fast percussive beats and low-register guitar riffs, overlaid with shredding-style lead work. The lyrics often deal with social issues and reproach for The Establishment, using direct and denunciatory language, an approach borrowed from hardcore punk. - Fear Factory is an American heavy metal band that was formed in 1989. During the band's career, they have released nine full-length albums and have evolved through a succession of styles, including nu metal, death metal, groove metal, and thrash metal. Fear Factory was enormously influential on the heavy metal scene in the mid-to-late 1990s. Fear Factory went on hold in March 2002 following some internal disputes, but reformed later that year without founding member Dino Cazares, adding bassist Byron Stroud, and previous bassist Christian Olde Wolbers as guitarist. - Cool for August was a rock band consisting of notable Canadian singer-songwriter Shad Hills on guitar, Andrew Shives on bass, Gordon Vaughn on vocals, Trevor Kustiak on guitar, and Shane Hills on drums. They made their television debut on "Late Night with Conan O'Brien" with their hit song "Trials". While it was not their highest-charting single, "Walk Away" was considered their most accessible song and received its own single in stores. The band resurfaced a few years later in 2001 (after long speculation that the band had broken up) with an online single "Say it isn't So". The band added bandmate Chris Harris, guitar and violin, and completed a demo of six songs (produced by Jeff Tomei and Joey Huffman), about half of an anticipated upcoming album. However, with no more support from Warner Brothers or any other major labels, the band called it quits. - Christian Olde Wolbers (born 5 August 1973) is the guitarist of the metal band Arkaea. He is the former bassist, guitarist and background vocalist of the heavy metal band Fear Factory, and is now in Canadian melodic death metal band Threat Signal and Venice hardcore/punk band Beowulf. 'andrew shives' is related to which object entity through the relation of 'instrument'? Choices: - bass - guitar - synthesizer
The answer is:
guitar