Petra Linnea Paula Marklund better known as September (born in Stockholm, Sweden on 12 September 1984) is a Swedish dance singer. Petra Marklund was born on 12 September 1984 to a Slovenian mother with a musical past and a Swedish father who is a professor in space physics. She started recording music in studios at the age of 12. When she was 17, she sang in a rock band and gained a record deal. The songs were written and produced by Jonas von der Burg, Niclas von der Burg and Anoo Bhagavan.