By 1970 Bjorn and Agnetha, Benny and Frida were in love and were living together while maintaining their solo careers. Polar Music was headed by Stig Anderson, a well known Swedish music business entrepreneur who had contributed more than 2000 songs in the 60s and 70s. When Stig’s partner died, he invited Bjorn to be a replacement who bought Benny along.

Meanwhile, Bjorn and Agnetha moved into theatre and gave a massive hit “don’t know how to love him” in the Lloyd Webber musical, Jesus Christ Superstar. In 1972, Bjorn and Benny gave a big hit in Japan in the way of “People need love”. Owing to their great popularity and their Abba costumes, they were invited to the Eurovision song contest in the 1973 Swedish heat, the band was then named Benny &Bjorn, Agnetha & Frida and they entered with the famous “Ring Ring”. The audience loved the song, though the judges placed it at number 3. Due to the following public outcry, Swedish Eurovision entries began to be chosen through public voting since then.