Todd Spangler NY Digital Editor Spotify is releasing what it calls its biggest app redesign to date — revealing a new “dynamic” mobile interface aimed at providing listeners a more active role in discovering new audio content and giving creators new ways to share their work. The newly redesigned Spotify app will roll out to users worldwide in waves, starting Wednesday (March 8), the company said. It unveiled the new user interface at Stream On, its second event showcasing new features, creator tools and programming. The update is most significant change to Spotify’s mobile app since it debuted more than a decade ago and is about “bringing Spotify to life,” CEO Daniel Ek said at the event.