Led Zeppelin IV was the closing chapter in the band's initial four-album offering over the first three years that kick-started their career. This album contains some of the band's best known songs, including "Stairway to Heaven", and is one of the bestselling albums of all time, having shifted over 37 million copies to date.
The Boss DS-1 Distortion has been on the market for almost 50 years and has become a staple on pedalboards around the world. Find out what makes it tick - and why it is so popular.
Although various iterations of the Ibanez Tube Screamer exist, there is no mistaking that classic green overdrive pedal that we've seen on countless pedalboards, from pub gigs to arena shows.