 Double bass drums and "angular" riffing also defined the early work of Meshuggah.With the groundbreaking "Destroy Erase Improve", Meshuggah showed fusion of death metal, thrash metal, progressive metal.Allmusic describes the style as "weaving hardcore-style shouts amongst deceptively (and deviously) simple staccato guitar riffs and insanely precise drumming—often with all three components acting in different time signatures".