Musical style thumb|John Bonham's aggressive drumming style was critical to the hard rock sound associated with the band.|alt=A black and white photograph of John Bonham wearing a headband and behind the cymbals of a drum kit Led Zeppelin's music was rooted in the blues. The influence of American blues artists such as Muddy Waters and Skip James was particularly apparent on their first two albums, as was the distinct country blues style of Howlin' Wolf. There were tracks structured around the twelve-bar blues on every studio album except for one, and the blues directly and indirectly influenced other songs both musically and lyrically. The band were also strongly influenced by the music of the British, Celtic, and American folk revivals. Scottish folk guitarist Bert Jansch helped inspire Page, and from him he adapted open tunings and aggressive strokes into his playing. The band also drew on a wide variety of genres, including world music, and elements of early rock and roll, jazz, country, funk, soul, and reggae, particularly on Houses of the Holy and the albums that followed.
Musical style thumb|John Bonham's aggressive drumming style was critical to the hard rock sound associated with the band.|alt=A black and white photograph of John Bonham wearing a headband and behind the cymbals of a drum kit Led Zeppelin's music was rooted in the blues. The influence of American blues artists such as Muddy Waters and Skip James was particularly apparent on their first two albums, as was the distinct country blues style of Howlin' Wolf. There were tracks structured around the twelve-bar blues on every studio album except for one, and the blues directly and indirectly influenced other songs both musically and lyrically. The band were also strongly influenced by the music of the British, Celtic, and American folk revivals. Scottish fo,lk guitarist Bert Jansch helped inspire Page, and from him he adapted open tunings and aggressive strokes into his playing. The band also drew on a wide variety of genres, including world music, and elements of early rock and roll, jazz country, funk, soul, and reggae, particularly on Houses of the Holy and the albums that followed.