Compound Interest. Compound interest is calculated each period on the original principal and all interest accumulated during past periods. Although the interest may be stated as a yearly rate, the compounding periods can be yearly, semiannually, quarterly, or even continuously.
The band was formed in 1981 when vocalist/guitarist James Hetfield responded to an advertisement posted by drummer Lars Ulrich in a local newspaper. Metallica's current line-up comprises founding members Hetfield and Ulrich, longtime lead guitarist Kirk Hammett and bassist Robert Trujillo. Guitarist Dave Mustaine and bassists Ron McGovney, Cliff Burton and Jason Newsted are former members of the band.
Kirk Lee Hammett (born November 18, 1962) is the lead guitarist and contributing songwriter for the heavy metal band Metallica and has been a member of the band since 1983. Before joining Metallica he formed and named the band Exodus. In 2003, Hammett was ranked 11th on Rolling Stone's list of The 100 Greatest Guitarists of All Time. In 2009, Hammett was ranked number 15 in Joel McIver's book The 100 Greatest Metal Guitarists.