Original sentence: As the 2000s progressed, the guitar solo has faded out of mainstream, nevertheless, it maintains its importance in Rock, heavy metal, blues, and jazz music
Edited sentence: As the 2000s progressed, the guitar solo has faded out of mainstream pop-rock, pop-punk, and emo, but several bands such as The Mars Volta have kept solos as critical parts of their songs.Nevertheless, the guitar solo maintained its importance in heavy metal, blues and jazz music.Recently, rock band The Darkness included guitar solos in this style as part of their pastiches of 1980s heavy rock music