Metallica , Sepultura ..Heavy Diamonds in music history

Metallica- Master of puppets
Some critics have called Master of Puppets(Ο αρχοντας των μαριονετών) the best heavy metal album ever recorded; if it isn't, it certainly comes close. it was the band's greatest achievement, hailed as a masterpiece by critics far outside heavy metal's core audience. It was also a substantial hit, reaching the Top 30 and selling three million copies despite absolutely nonexistent airplay.the lyrics,deals with the fear of powerlessness,hypocritical authority (military and religious leaders),uncontrollable human urges ...Metallica was easily the best, most influential heavy metal band of the '80s, responsible for bringing the music back to Earth.(source allmusic.com)In April 1999, the group performed two concerts with the San Francisco Symphony, and the result was S&M, Line up: James Heatfield - Vocals & Guitars Kirk Hammet - Guitars Cliff Burton - Bass Lars Ulrich - Drums

Sepultura-Roots...Roots wholeheartedly embraces Sepultura's native Brazilian rhythms, augmenting their music with field recordings of the Xavantes Indians,(in Amazon jungle) Sepultura is the most successful Brazilian heavy metal band in history..were formed in the mid-'80s — a time when that country was beginning to emerge from a 20-year military dictatorship. Max Cavalera (vocals/guitar), Igor Cavalera (drums), Paulo Jr. (bass), and Jairo T. (lead guitar)