Anton Westerlin, Annika is a Swedish singer-songwriter and solo artist associated with contemporary pop and indie-folk traditions. Active in the 2010s and 2020s, her work is characterized by intimate, melody-driven songs that blend acoustic instrumentation with modern production sensibilities. Drawing on Scandinavian pop songwriting, her music emphasizes clear vocal delivery, lyrical introspection, and understated arrangements that foreground mood and narrative. Westerlin's recordings and performances situate her within the independent singer-songwriter scene in Sweden.