What is killing is my business?

"Killing is my Business... and Business is Good!" is the debut studio album by American thrash metal band Megadeth, released in 1985. The album is considered a classic of the thrash metal genre and is often cited as one of the greatest thrash metal albums of all time.

The album showcases the technical proficiency of the band members, particularly guitarist and lead vocalist Dave Mustaine, who is known for his fast and intricate guitar solos. The lyrics on the album often touch on themes of war, violence, and corruption.

Songs like "Rattlehead," "The Skull Beneath the Skin," and the title track "Killing is my Business... and Business is Good!" became signature songs for the band and are still staples of their live performances.

Despite receiving critical acclaim, the album initially had limited commercial success. However, it has since become a cult favorite among metal fans and is considered a pioneering work in the thrash metal genre.