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In page Stig Anderson:

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Anderson began writing songs as early as 1951, and in 1959 gained his breakthrough with the song "Är du kär i mig ännu, Klas-Göran?" ("Are You Still in Love With Me, Klas-Göran?"), written for Swedish singer Lill-Babs. During the 1960s, he was one of Sweden's most prolific songwriters. According to Anton Stimm in the Swedish SVT documentary 'Stikkan' Stig Anderson wrote 767 published titles. Anderson also founded Sweden Music in 1960, as well as several other companies. Three years later, Anderson co-founded Polar Music with Bengt Bernhag.[citation needed]