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

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

It supported Supporting their third studio album , `` Chemistry '' .

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 .

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