Pink Floyd
Live performances

Regarded as pioneers of live music performance and renowned for their lavish stage shows, Pink Floyd also set high standards in sound quality, making use of innovative sound effects and quadraphonic speaker systems. From their earliest days, they employed visual effects to accompany their psychedelic music while performing at venues such as the UFO Club in London. Their slide-and-light show was one of the first in British rock, and it helped them become popular among London's underground.

To celebrate the launch of the London Free School 's magazine International Times in 1966, they performed in front of 2,000 people at the opening of the Roundhouse, attended by celebrities including Paul McCartney and Marianne Faithfull. In mid-1966, road manager Peter Wynne-Willson joined their road crew, and updated the band's lighting rig with some innovative ideas including the use of polarisers, mirrors and stretched condoms. After their record deal with EMI, Pink Floyd purchased a Ford Transit van, then considered extravagant band transportation. On 29 April 1967, they headlined an all-night event called The 14 Hour Technicolour Dream at the Alexandra Palace, London. Pink Floyd arrived at the festival at around three o'clock in the morning after a long journey by van and ferry from the Netherlands, taking the stage just as the sun was beginning to rise. In July 1969, precipitated by their space-related music and lyrics, they took part in the live BBC television coverage of the Apollo 11 Moon landing, performing an instrumental piece which they called " Moonhead ".

In November 1974, they employed for the first time the large circular screen that would become a staple of their live shows. In 1977, they employed the use of a large inflatable floating pig named "Algie". Filled with helium and propane, Algie, while floating above the audience, would explode with a loud noise during the In the Flesh Tour. The behaviour of the audience during the tour, as well as the large size of the venues, proved a strong influence on their concept album The Wall. The subsequent The Wall Tour featured a 40 feet (12 m) high wall, built from cardboard bricks, constructed between the band and the audience. They projected animations onto the wall, while gaps allowed the audience to view various scenes from the story. They commissioned the creation of several giant inflatables to represent characters from the story. One striking feature of the tour was the performance of "Comfortably Numb". While Waters sang his opening verse, in darkness, Gilmour waited for his cue on top of the wall. When it came, bright blue and white lights would suddenly reveal him. Gilmour stood on a flightcase on castors, an insecure setup supported from behind by a technician. A large hydraulic platform supported both Gilmour and the tech.

During the Division Bell Tour, an unknown person using the name Publius posted a message on an internet newsgroup inviting fans to solve a riddle supposedly concealed in the new album. White lights in front of the stage at the Pink Floyd concert in East Rutherford spelled out the words Enigma Publius. During a televised concert at Earls Court on 20 October 1994, someone projected the word "enigma" in large letters on to the backdrop of the stage. Mason later acknowledged that their record company had instigated the Publius Enigma mystery, rather than the band.
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