Question: Did the original lead guitarist of Metallica fail after parting from the band?, Answer:No, Description of Metallica: American heavy metal band, Fact1: Metallica's original lead guitarist was Dave Mustaine., Fact2: Dave Mustaine was fired from Metallica in 1983., Fact3: Dave Mustaine formed the band Megadeth in 1983 and is the lead vocalist., Fact4: Megadeth has sold over 38 million records worldwide.
Step1: Who was the original lead guitarist of Metallica?, Step2: What band did #1 start after leaving Metallica?, Step3: Is #2 an unsuccessful band?, Wikipedia page for step 1: wiki: Metallica, Wikipedia page for step 2: wiki: Dave Mustaine, Wikipedia page for step 3: wiki: Megadeth, not_definitive_answer: False, incorrect_answer: False