Gorillaz Debuts Unreleased Album During Four-Night London Residency

Gorillaz closed out a four-night London residency this week by debuting an unreleased new album in full at a phone-free Mystery Show at the Copper Box Arena, bringing a string of guest performers and a large orchestral backing to the performance. The event, held at the conclusion of the House of Kong exhibition that marked the virtual band's 25th anniversary, was reportedly the final night of the residency on Wednesday, Sept. 3, although some accounts list the date as Sept. 2.

Unlike the preceding nights, when the band played their self-titled 2001 debut, 2005's Demon Days and 2010's Plastic Beach in full, the Mystery Show required attendees to lock phones in pouches to prevent leaks. Attendees said Gorillaz played roughly ten new tracks, several of them in multiple languages, and that the music leaned heavily on South Asian and Middle Eastern sounds supported by an expanded string section, backing vocalists and non-Western instruments. Fans who were inside described the set as "absolutely breathtaking" and said the soundscape pushed the group into new territory.

Several high-profile guests joined Damon Albarn and the live Gorillaz band on stage, according to concertgoers. Names...