guitar and vocals on "The Struggle" Solon Bixler – guitar on track 4; additional guitar on tracks 2, 9–11; bass guitar on track 6; additional synthesizer on track 10 Additional musicians Elijah Blue Allman – additional guitar on track 7; additional bass on track 7 Joe Bishara – additional programming on track 4 Bob Ezrin – piano on track 8 Renn Hawkey – additional synthesizer on track 1 Jeffrey Jaeger – additional guitar on track 9; additional bass on tracks 5, 9–10 Maynard James Keenan – background vocals on track 3 Danny Lohner – programming on track 3 Brian Virtue – synthesizer on track 6 Production Bob Ezrin – production Brian Virtue – production; engineering Thirty Seconds to Mars – production; art direction, concepts and iconography Ben Grosse – mixing Tom Baker – mastering Shannon Leto – photography Ken Schles – additional photography Mary Fagot – creative direction Eric Roinestad – design Eric Greenspan – legal Arthur Spivak – management Dian Vaughn – business management Mark Walker Assante – business management Charts and certifications Weekly charts Certifications Release history Notes References External links 2002 debut albums Thirty Seconds to Mars albums Albums produced by Bob Ezrin Concept albums Immortal Records albums Virgin Records albums