Claim: Thirty Seconds to Mars discography is an American rock band which is a broad genre of popular music that originated as "rock and roll" in the United States in the late 1940s and early 1950s.
Evidence: Stephen Thomas Erlewine of AllMusic acknowledged the band's progression, referring to the overall style of the record as a mixture of synth rock, heavy metal, and progressive rock. Rock and roll (often written as rock & roll, rock 'n' roll, or rock 'n roll) is a genre of popular music that evolved in the United States during the late 1940s and early 1950s. From the mid-1960s on, as "rock and roll" was rebranded as "rock," later dance genres followed, leading to funk, disco, house, techno, and hip hop.