21 January 1973

Session singer Clare Torry recorded her vocal for the song The Great Gig In The Sky at Abbey Road. The song was included on Pink Floyd's next album, The Dark Side Of The Moon. Work continued on the album at Abbey Road throughout the month.

12 February 1973

Pink Floyd played the first of eight performances with Roland Petit's Ballets de Marseille at the Palais des Sports in Paris. They performed One Of These Days, Careful With That Axe, Eugene, Obscured By Clouds, When You're In and Echoes to accompany Roland Petit's choreographed ballet.

19 February 1973

Pink Floyd staged three days of full production rehearsals at London's Rainbow Theatre in preparation for their forthcoming North American tour.

27 February 1973

EMI held a press reception for The Dark Side Of The Moon at the London Planetarium. Only Richard Wright attended the event; the other band members refused in protest at what they believed to be an inferior sound system brought in by EMI.

4 March 1973

Pink Floyd began a 16-date US tour at Dane County Memorial Coliseum in Madison, Wisconsin. The band were joined by saxophonist Dick Parry and backing vocalists Nawasa Crowder, and Phyllis and Mary Ann Lindsey. Their set list featured the whole of The Dark Side Of The Moon plus Obscured By Clouds, When You're In and Careful With That Axe, Eugene, with an encore of One Of These Days. The tour closed at Atlanta's Municipal Auditorium, when the US promoter cancelled a scheduled show in Florida believing that a Santana show in town would drastically reduce Pink Floyd's audience.

10 March 1973

The Dark Side Of The Moon was released in the US. Tracklisting: Speak To Me; Breathe (In The Air); On The Run; Time; The Great Gig In The Sky; Money; Us And Them; Any Colour You Like; Brain Damage; Eclipse. The album gave Pink Floyd their first No. 1 chart placing.

23 March 1973

The Dark Side Of The Moon was released in the UK. It reached No. 2 in the charts.

7 May 1973

Money (B-side: Any Colour You Like) was released in the US as a single and reached No. 13 in the charts.

18 & 19 May 1973

Pink Floyd played two nights at Earls Court Exhibition Hall, with additional personnel Dick Parry on saxophones and backing vocalists Liza Strike and Vicki Brown (mum of solo artist and future Floyd backing singer Sam Brown). The set list included the whole of The Dark Side Of The Moon.

16 June 1973

Pink Floyd returned to the US for their second American tour of the year. They played 13 shows, starting at New York's Saratoga Performing Arts Center and ending at Florida's Tampa Stadium. The band set a new record gross at New Jersey's Roosevelt Stadium by making $110,565 for a single performance.

1 October 1973

Pink Floyd began an intermittent 20 days of recording at Abbey Road studios, working on what became known as the 'Household Objects Project'. The group, assisted by engineer Alan Parsons, used elastic bands, wine glasses, matchsticks and sticky tape in place of conventional instruments to make music.

4 November 1973

Pink Floyd played two shows at London's Rainbow Theatre, as a benefit for ex-Soft Machine drummer Robert Wyatt.

5 December 1973

The Australian cult surf movie Crystal Voyager premiered in Melbourne. The film featured Pink Floyd's Echoes as part of its soundtrack.