What is it like to be one of the richest rock stars in the world? Rock music is a form of popular music that evolved from rock and roll and pop music during the 1960s. Some of the genres under this category are grunge, indie rock, new wave, pop punk, glam rock, progressive rock, alternative rock, and jazz rock. Most of these famous rock stars are known because of their chart-topping songs. They also have toured the world with their respective bands and have received musical recognitions from award-giving bodies. These rock stars have established their band years before they got noticed because of their songs. They’ve known each other during their heydays from other bands. Some of them got inspired to form a band while listening to the songs by their music influences. They always said that when you’re a rock stars, it’s associated with sex and drugs. They were criticized over drug use and controversies they have encountered during the height of their careers. Despite of the dissension over these issues, they continue to shine by playing great music. These richest rock stars earned millions of dollars from record sales, YouTube earnings, series of concert tours, merchandise, endorsement deals, and royalties. They splurge their money to luxury cars, expensive holidays and investing in land properties around the world. Some of the greatest rock stars today included in our list is Green Day’s drummer Tre Cool, Lenny Kravitz, Metallica’s lead guitarist Kirk Hammett, AC/DC co-founder and guitarist Angus Young, and Nickelback’s lead vocalist Chad Kroeger.