In 1985 , Haller founded the band Wind . She did n't perform for the group herself , but she composed what has become the group 's signature song , " For All " ( " Für alle " ) . The same year , the song earned Wind a second-place finish in the Eurovision Song Contest . After this success , she wrote songs for Daliah Lavi , Elke Martens , Katja Ebstein , Rex Gildo , Lena Valaitis , Caterina Valente , Jürgen Drews , Ingrid Peters , Wolfgang Fierek , and Milva . She also discovered Rosanna Rocci
Eurovision Song Contest
Eurovision Song Contest 1985
Hanne Haller