For my convalescence, I had to exercise my voice only with vowels. It is a medical rule after a long loss of voice.

She went on to give a series of fund-raising concerts in Sweden and Belgium. She has recorded songs in many languages including Greek French English German Dutch Italian Portuguese Spanish Hebrew Welsh Mandarin Chinese Maori and Turkish. In the same year Nana Mouskouri announced her plans to retire.

Note that in Greek her surname is pronounced with the stress on the first syllable – MOOS-hoo-ree – rather than the second. Nana Mouskouri (Greek: Nάνα Μούσχουρη pronounced [ˈnana ˈmusxuɾi]) born Iōánna Moúschouri (Greek: Ιωάννα Μούσχουρη [ioˈana ˈmusxuɾi] on October 13 1934 in Chania Crete Greece) is a Greek-born singer who has sold more than 350 million records worldwide (Nana was presented with a plaque representing 350 million in sales at her final concert at the Royal Albert Hall in 2009 by her record company) being one of the best-selling female artists of all time in a career spanning over five decades.