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In page Mireille Mathieu:

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Mathieu had an active tour schedule for 2014, celebrating her 50th year in show business (she dates her career from the year she won her first singing contest in Avignon). Her first concert was scheduled to be in Kyiv, and she held out hope it would proceed, but ultimately canceled it seven days prior "due to the instability." Her France 50th Anniversary tour ran from October to November 2014.[citation needed]