Most frequent collaboratorSteve Lillywhite · 24 tracks
GenresAlternative RockPost-HardcoreProgressive Rock
Complete Artist
100%
Authorship
Holds writing credit on 68 of 68 tracks
Does Thirty Seconds to Mars write their own songs?
Yes, almost entirely, and almost entirely through one person. Jared Leto holds the lyricist and composer credit on nearly every Thirty Seconds to Mars track, from 'The Kill' to 'Walk on Water.' His brother Shannon and the other members perform but rarely take writing credits, which puts the band's authorship near the top of the scale.
By the Numbers
6
Studio Albums
68
Tracks Credited
100%
Self-Written
15M+
Records Sold
28
Years Active
45
Collaborators
Authorship Breakdown 68 / 68 self-written
Who wrote the songs?
Across all 68 tracks: how many Thirty Seconds to Mars wrote alone, how many they co-wrote, and how many were written by others. The bracket marks every track they hold any writing credit on.
Thirty Seconds to Mars has a writing credit100%
78%
22%
Sole author53tracks78%
Co-written15tracks22%
Outside writers0tracks0%
Role Fingerprint how they contribute
Thirty Seconds to Mars's roles across the catalogue
Share of all 68 tracks where they are personally credited, by role.
Lyricist (words)100%
Composer (music)100%
Producer100%
Performer100%
Member Credit Breakdown share of tracks each member is credited on
Percentage of all 68 tracks, across every album, where each member holds a credit - split by role.
Member
Period
Lyrics
Music
Production
Performance
Jared Leto
1998-present
96%
96%
51%
100%
Shannon Leto
1998-present
24%
24%
16%
100%
Tomo Miličević Former
2003-2018
3%
3%
0%
50%
Matt Wachter Former
1999-2007
3%
3%
0%
31%
Solon Bixler Former
1999-2003
0%
0%
0%
16%
Authorship Over Time writing credit per album
Thirty Seconds to Mars's writing credit per album, in release order. Hover any bar for the album.
avg 100%
100%
100%
100%
100%
100%
100%
2002Thirty Seconds to Mars
2005A Beautiful Lie
2009This Is War
2013Love Lust Faith + Dreams
2018America
2023It's the End of the World But It's a Beautiful Day
Early · 100% written
Mid · 100% written
Late · 100% written
Authorship by Decade track-weighted
100%
2000s
Thirty Seconds to Mars, A Beautiful Lie +1 more
100%
2010s
Love Lust Faith + Dreams, America
100%
2020s
It's the End of the World But It's a Beautiful Day
Authorship Spectrum pure performer to complete author
Where Thirty Seconds to Mars sits on the scale from a pure performer (0%, sings songs written by others) to a complete author (100%, writes everything). The bright marker is their catalogue authorship score, plotted against other artists on the site.
Thirty Seconds to Mars
Other artists on the site
Reference artists spread across the scale, closest by genre and era.
Bubble size = tracks worked on together. F Flood · BE Bob Ezrin · BV Brian Virtue · ON Oscar Neidhardt
The Authorship Story
Data Insight
Jared Leto holds both lyricist and composer credit on every track across all six studio albums. The rest of the band (Shannon Leto on drums, Tomo Miličević on guitar) are performers without significant songwriting credit. This makes 30STM one of the rare major-label rock acts where creative authorship is concentrated entirely in the frontman.
Quick Facts
LineupJared Leto (vocals), Shannon Leto (drums)
FanbaseKnown as the Echelon
SalesOver 15 million albums worldwide
Guinness recordMost live shows in a single album cycle (300)
AuthorshipJared Leto writes every lyric and note
Creative Fingerprint
A band that is really one writer: Jared Leto holds the lyricist and composer credit on nearly every track, while the rest of the group performs rather than writes.
The Story
Thirty Seconds to Mars is an American rock band formed in Los Angeles, California in 1998. Led by actor and musician Jared Leto alongside his brother Shannon Leto, the band is known for its cinematic, anthemic sound and elaborate live performances. Jared Leto is the primary creative force behind the band, writing virtually all lyrics and music, and serving as a producer on several albums. The band's self-written catalog places them firmly in the 'complete artist' tier despite their large mainstream following.
Awards & Recognition
Over 15 million albums sold worldwide
Guinness World Record for the most live shows during a single album cycle (300 shows on the Into the Wild Tour)
Multiple MTV Video Music Awards and MTV Europe Music Awards
Named to Kerrang!'s list of the best artists of the 2000s
Frequently Asked Questions Thirty Seconds to Mars
Does Thirty Seconds to Mars write their own songs?
Yes, almost entirely, and almost entirely through one person. Jared Leto holds the lyricist and composer credit on nearly every Thirty Seconds to Mars track, from 'The Kill' to 'Walk on Water.' His brother Shannon and the other members perform but rarely take writing credits, which puts the band's authorship near the top of the scale.
Who writes Thirty Seconds to Mars songs?
Jared Leto. He is the band's primary creative force, writing the lyrics and music and co-producing several albums. The group is one of the rare major rock acts where authorship sits almost entirely with the frontman.
Did Jared Leto write 'The Kill'?
Yes. 'The Kill' (A Beautiful Lie, 2005) is credited to Jared Leto and was one of the songs that broke the band into the mainstream.
How many albums has Thirty Seconds to Mars released?
Six studio albums, from their 2002 self-titled debut to It's the End of the World but It's a Beautiful Day (2023).
Who is in Thirty Seconds to Mars?
The core is the Leto brothers: Jared Leto on vocals and guitar and Shannon Leto on drums. Guitarist Tomo Miličević was a long-time member before leaving in 2018.
What is the Echelon?
The Echelon is the name of Thirty Seconds to Mars's devoted fanbase, known for its size and for organizing philanthropic projects around the band.
How many records has Thirty Seconds to Mars sold?
The band had sold over 15 million albums worldwide as of 2014.
What is Thirty Seconds to Mars's Guinness World Record?
The band holds the Guinness World Record for the most live shows performed during a single album cycle, with 300 shows on the Into the Wild Tour.
Is Jared Leto an actor?
Yes. Jared Leto is also a film actor, and Thirty Seconds to Mars is his long-running music project with his brother Shannon.
Why is Thirty Seconds to Mars rated so high on authorship?
Because the person who fronts the band also writes it. With Jared Leto credited on essentially every lyric and note, the group's self-authorship rate sits near 100%, unlike acts that perform songs written by outside teams.