Anni-Frid Synni Lyngstad (L) of the legendary ABBA group arrives to the Polar Prize Musical award in Stockholm 24 May 2004. The Polar Prize in Music was founded by ABBA's manager Stig 'Stikkan' Andersson who died in 1997. This years prize goes to BB King and Hungarian born Gyorgy Ligeti. Lyngstad, who now lives in Schwitzerland is estimated to be the wealthiest of the four in Abba with a fortune of some 150-200 million Euro.