Listening to the album that had No name. Eventually became Known as "Led Zeppelin IV" released on November 8, 1971. Changed the music world: In 2002, Spin magazine's Chuck Klosterman named it the second greatest metal album of all time and said that it was "the most famous hard-rock album ever recorded" as well as an album that unintentionally created metal—"the origin of everything that sounds, feels, or even tastes vaguely metallic". Song written by Jones, Page, Plant.
With its unforgettable Jones-penned riff and inimitable energy, “Black Dog” is one of the band’s most well-known tracks. Alternating between a capella vocals and musical sections, the top 20 hit was the perfect fusion of Led Zeppelin’s hard rock and blues rock style. It also quickly made its way into the band’s concert set lists. -- watchmojo