Jacob Collier - DJESSE UK & EUROPE TOUR: The 5-time Grammy-winning singer-songwriter, multi-instrumentalist and producer is coming back to Luxembourg! The announcement comes after the release of Collier’s new single “Witness Me”, featuring Canadian singer-songwriter Shawn Mendes, British rap titan Stormzy and 19-time Grammy-winning gospel legend Kirk Franklin, for a heart-warming ode to the power of empathy.