(born November 17, 1946) is an English guitarist best known as the longtime lead guitarist for the legendary progressive rock band Jethro Tull. Renowned for his melodic playing, technical skill, and innovative use of blues and hard rock elements within progressive frameworks, Barre’s work with helped define the band’s distinctive sound over their decades-long career.

Barre joined Jethro Tull in 1969, just before the recording of their second album, Stand Up. His powerful and versatile guitar work became a cornerstone of the band’s sound, blending seamlessly with Ian Anderson’s flute and songwriting. Barre’s performance on tracks like “Aqualung,” “Cross-Eyed Mary,” and “Locomotive Breath” showcases his ability to combine aggression and finesse, earning him critical acclaim as one of rock’s finest guitarists. Notably, his guitar solo on “Aqualung” is often cited as one of the greatest in rock history.

Over his 43-year tenure with Jethro Tull, Barre contributed to iconic albums such as Benefit (1970), Aqualung (1971), Thick as a Brick (1972), Songs from the Wood (1977), and Crest of a Knave (1987), the latter of which won a Grammy Award for Best Hard Rock/Metal Performance. Barre’s distinctive tone and fluid playing style helped the band bridge genres, from progressive rock and folk to blues and hard rock.

Following Jethro Tull’s hiatus in 2012, Martin Barre embarked on a solo career, showcasing his talents as a guitarist and songwriter. He has released several solo albums, including Away with Words (2013) and Roads Less Travelled (2018), which blend blues, rock, and folk influences while highlighting his virtuosity and musical evolution. Barre also tours with his own band, performing a mix of solo material and Jethro Tull classics.