METALLICA: (Singing) Late at night, all systems go. You've come to see the show. We do our best. You're the rest. You make it real, you know. CHANG: ...To filling stadiums as a mainstream rock band ...

NPR's Ailsa Chang speaks to bassist Robert Trujillo and founding drummer Lars Ulrich of the band Metallica about their latest album and their four decades of music-making. METALLICA: (Singing) Late at ...

Metallica has been making music for more than 40 years - from their early thrash metal days... (SOUNDBITE OF SONG, "WHIPLASH") METALLICA: (Singing) Late at night, all systems go. You've come to see ...