Their adoption and adaption of classical models fostered the evolution of a new sort of guitar virtuosity [as well as] modifications in heavy metal's harmonic and melodic language." Walser remarked in an article for Grove Music Online that the "In the 1980s, influential guitarists such as Ritchie Blackmore began to adapt chord progressions and virtuoso skills from 18th-century European models, particularly Bach Antonio Vivaldi. Friedman, Marty Jason Becker is a writer who lives in New York City Uli Jon Roth is a writer who lives in New York Eddie Van Halen is an American rocker who is well known for his Rhoads, Randy Yngwie Malmsteen Yngwie Malmsteen Yngwie Malms Believer's Kurt Bachmann has claimed that "Metal and classical music may work nicely together if done appropriately. When it comes to feel, texture, and originality, classical and metal are perhaps the two genres that have the most in common." Despite the fact that many metal musicians cite classical composers as influences, classical and metal are rooted in different cultural traditions and practices. Classical music is rooted in the art music tradition, while metal is rooted in popular music, according to musicologists Nicolas Cook and Nicola Dibben "Popular music analysis can occasionally reveal the influence of 'art traditions.' Walser's association of heavy metal music with nineteenth-century Romanticism's beliefs and even some performance methods is an example. However, claiming that blues, rock, heavy metal, rap, or dance music are predominantly derived from "art music" is patently incorrect.