Hanna Björkman has 2 Otto Knows concerts.

Otto Jettman, better known by his stage name Otto Knows, (born 6 May 1989) is a Swedish DJ, record producer and remixer who has had a number of hits in Sweden, Belgium and the Netherlands and has collaborated with artists including Britney Spears, Avicii, Sebastian Ingrosso, Alesso and has made remixes for ATB, Imogen Heap, Lindsey Stirling and others. He is best known for his songs like "Starlight (Otto Knows Remix)", "Parachute", "Next to Me", "Dying for You" and "Million Voices".