was the first concert Social_event tour by British all-female pop group Girls Aloud .

Girls Aloud initially planned Arranging to tour in 2003 with their fellow `` '' contestants ; however , the tour was cancelled Change_event_time due to poor ticket sales Commerce_sell .

Girls Aloud announced Expressing_publicly their first headlining tour Traveling in December 2004 .

Girls Aloud performed Hold twenty-two dates in theatre-sized venues across the United Kingdom and Ireland , beginning Process_start in Nottingham on 4 May 2005 and concluding Process_end in Dublin on 2 June 2005 .

The set list consisted Forming_relationships of songs from Girls Aloud 's first two albums , `` Sound of the Underground '' and `` What Will the Neighbours Say ?

The stage featured a stairway , where Girls Aloud made Manufacturing their first appearance for the opening Openness performance of `` The Show '' .

The tour was a commercial success , allowing Preventing_or_letting Girls Aloud to perform Hold in arenas for their Chemistry Tour in 2006 .

Girls Aloud performed Hold thirty-two dates across the United Kingdom and Ireland .

During the show , Girls Aloud use Using pole dancing techniques and themes of BDSM .

Like 2008 's Tangled Up Tour , there is a smaller stage in the centre of the arena that Girls Aloud perform on during the show .

Chemistry : The Tour was the second concert Social_event tour by British all-female pop group Girls Aloud .

Live , Girls Aloud performed Hold in arenas across the United Kingdom for the first time .

Girls Aloud announced Expressing_publicly tour dates in October 2005 .

The set list featured songs mostly from `` Chemistry '' , but also included Cause_to_be_included singles from Girls Aloud 's first two albums and cover versions .

Girls Aloud began Process_start the show by rising Cause_change_of_position_on_a_scale from underneath the stage to perform Action the opening Openness number `` Biology '' .

Chemistry Tour received Receiving generally positive reviews Statement from contemporary music critics who praised Judgment_communication Girls Aloud 's energy and fun .

A recording Recording of the show was released Publishing on DVD in November 2006 , oddly titled Name_conferral Girls Aloud : Greatest Hits Live From Wembley Arena to coincide with the release Publishing of the group 's first greatest hits collection `` '' .