Jem Aswad Senior Music EditorSwedish pop savant Robyn, a pioneer of the innovative alt-pop sounds of the past 15-odd years that have influenced artists ranging from Charli XCX to Taylor Swift and beyond, has teamed up with Young Artists — a division of the entertainment company formerly known as Young Turks — which is now her global management company.She will be represented by Young Artists’ Caius Pawson and Hannah Partington, joining a roster of artists that include the xx, Jamie xx, Sampha,