Iggy Strange Dahl is a songwriter based in Stockholm , Sweden . Iggy has written songs for major recording artists like September , Lena Katina ( Former member of t.A.T.u. ) , Sweetbox , F ( x ) , Arashi , Jolin Tsai , Super Junior Donghae & Eunhyuk , Elliott Murphy and he has had more than twenty No. 1 hits on official music charts in Japan , Korea , Taiwan , Indonesia , China and Sweden . In 2010 he co-wrote the song " Manipulated " for the Swedish entry to Eurovision Song Contest ( Melodifestivalen ) performed by Hanna Lindblad . In Melodifestivalen 2015 he competed again , this time performing with the band JTR and the song " Building It Up " , which reached the final . Together with Erik Lewander and Olle Ljungman he has composed music for the Swedish TV-serie " Jordskott "
Melodifestivalen 2015
Melodifestivalen 2015
Iggy Strange Dahl