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.
David Eric Dave Grohl (born January 14, 1969) is an American rock musician, multi-instrumentalist, singer, songwriter, director and producer. He is best known as the former drummer for the grunge band Nirvana and the founder and frontman of the rock band Foo Fighters, of which he is the lead singer, one of three guitarists, and primary songwriter. Grohl is the drummer and co-founder of the rock supergroup Them Crooked Vultures. He additionally wrote all the music and performed all the instruments for his short-lived side projects Late! and Probot. He has been involved with the rock band Queens of the Stone Age many times throughout the past decade.