Who was born in Seattle, Washington and headlined at Openair Frauenfeld? 
Openair Frauenfeld:  Some of the top headliners performing at Openair Frauenfeld have included Jay-Z, Eminem, Kanye West, Macklemore, Snoop Dogg, 50 Cent, Kendrick Lamar, , Wiz Khalifa, , and others.
i don't know