 The group has drawn controversy for its music and lyrics, including album bans and canceled concerts; MTV refused to play two of the band's music videos that the network considered to condone suicide.On April 11, 1983, Dave Mustaine was fired from Metallica just prior to the band recording their debut album "Kill 'Em All" due to substance abuse and personal conflicts with James Hetfield and Lars Ulrich.As Metallica's lead guitarist since 1981, Mustaine had composed some of the group's early songs and helped hone the band into a tight live unit.