context: Black 's first band was Panic, which he left in 1981 to join thrash metal band Metallica as a solo guitarist. He influenced the band with early demo recordings of his career before he was dismissed in the spring of 1983. He then moved from San Francisco to Los Angeles and founded Megadeth with bassist David Ellefson in the summer of 1983. Megadeth released his debut album Killing Is My Business ... And Business Is Good! in 1985, and became very popular with underground metal circuits. The band made their commercial breakthrough in the early 1990s with their studio albums Rust in Peace and Countdown to Extinction. Megadeth was forced to end her career in 2002 after the Black Spindle Nerve was damaged. However, he re-learned guitar playing when he wanted to, and the band returned in 2004.
question: Where did Dave Mustaine start his music career?
answers.text: 's first band was Panic, which he left in 1981 to join thrash metal band Metallica as a solo guitarist. He influenced the band with early demo recordings of his career