promo to American and British radio stations, and competing against Waters's former band whose single "Learning to Fly" was topping the US Billboard Mainstream Rock chart, it managed to go as high as No. 15. "The Tide Is Turning" was released as the third single in the United Kingdom and Australia. Without direct competition from Waters's former band, Pink Floyd, the single was a commercial success in Europe. It peaked at No. 54 on the UK singles chart. "Who Needs Information?" was released in the United States in December 1987 as the fourth and final single, backed with the live exclusive "Molly's Song", another previously unreleased song. The single was in direct competition with Pink Floyd's "On the Turning Away". While Pink Floyd's singles topped the US Mainstream Rock charts back to back, "Who Needs Information?" failed to chart, despite a radio promotional release. Waters even once said in an interview that he might even release an EP with some unreleased songs from this project for those who might be interested, but this never appeared. Promotion The record was first announced via a press release from EMI on 6 April 1987, confirming Waters's new album, its details and release date. The press release mentioned that the project was conceived to be a full-out rock opera, complete with a stage show, film and live album, much like Waters's original vision for the album. Waters also made a Video EP for this album featuring the songs "Radio Waves," "Sunset Strip," "Fish Report," "Four Minutes" and "The Tide Is Turning (After Live Aid)." Tour The Radio K.A.O.S. tour aka K.A.O.S. On the Road ran from mid-August 1987 to the end of November of the same year. It was entirely in North America except for the final two shows from Wembley, England. The tour, the largest of Waters's career up to that point, featured extravagant staging, props and video. The entirety of the concert was presented as a K.A.O.S. radio special, "K.A.O.S. on the Road", and featured disc jockey (DJ) Jim Ladd introducing the songs, conversing with Billy, or simply complimenting Waters and the band on their performance. The screen used for the tour displayed video of Waters, Ladd, and various other actors playing out aspects of the narrative, as well as animations and video illustrating the songs. The concert was 'interrupted' at one point each night by Billy, who played the video to