Peer Astrom has worked with others.
Peer Åström ( born 1972 in Ljusdal , Sweden ) is a Swedish composer , lyricist , musician and record producer and partner with Anders Bagge . They have together written and produced songs for Lara Fabian , Celine Dion , Madonna , Ace of Base , Ashley Tisdale , Enrique Iglesias , Jennifer Lopez and several others . After Anders Bagge , already a renowned producer and songwriter heard a couple of Peer 's songs he invited Peer to collaborate with him on some writing/recording projects . Peer alongside Anders Bagge , and others co-wrote Celine Dion 's `` Have You Ever Been in Love '' and `` Sorry for Love '' . In 2008 , he mixed the song `` Un Garcon '' for the French singer Lorie .