Leviathan
- Scores: Noise 4, Unease 2, Complexity 3 (each 1 to 5)
- Genre: Metal, Sludge metal, Prog metal
- Mood: narrative, crushing, mythic
- Sound: concept album, extended songs, mellotron
Leviathan is Mastodon's first concept album, with lyrics based on Herman Melville's Moby-Dick. They recorded it in March 2004 in Seattle with Matt Bayles, who co-produced and plays organ on the instrumental "Joseph Merrick". Neil Fallon of Clutch guests on "Blood and Thunder" and Scott Kelly of Neurosis on "Aqua Dementia", which also has cello. The album ends with the 13-minute "Hearts Alive", and guitarist Bill Kelliher has linked it to the water element in the band's four-album cycle based on the elements.
Track list
- Blood and Thunder (3:48)
- I Am Ahab (2:45)
- Seabeast (4:15)
- Island (3:26)
- Iron Tusk (3:03)
- Megalodon (4:22)
- Naked Burn (3:42)
- Aqua Dementia (4:10)
- Hearts Alive (13:39)
- Joseph Merrick (3:33)