Both bands have left a significant mark on the music world and influenced countless musicians. Metallica gained immense popularity with their thrash metal style and complex musicianship, while Nirvana's success came from the grunge movement and their ability to blend elements of punk, alternative rock, and heavy metal.
When considering the impact and success of these bands, Metallica has a longer track record and has maintained a steady fan base over several decades. They have released ten studio albums, with several multi-platinum certifications, and have performed in front of massive audiences worldwide. Nirvana, on the other hand, achieved rapid fame with their debut album, "Nevermind," which became one of the best-selling albums of all time. However, the band's career was cut short due to the tragic death of its lead singer, Kurt Cobain, in 1994.
Both bands have received critical acclaim and numerous accolades. Metallica has won nine Grammy Awards, been inducted into the Rock and Roll Hall of Fame, and has sold over 125 million records worldwide. Nirvana has won three Grammy Awards and sold over 75 million records globally, despite their relatively shorter existence.
Comparing Metallica and Nirvana based solely on album sales, concert attendance, awards, or music style would be inadequate. Music is a form of art, and the perception of "better" is entirely subjective. What resonates with one person may not appeal to another. Ultimately, the choice of which band you personally prefer comes down to your musical taste, preferences, and the emotional connection you feel to their music.