Jem Aswad Senior Music EditorLebanese-British singer-songwriter Mika will stage a livestreamed concert to raise funds and awareness for relief in the wake of the explosion in Beirut last month that killed more than 200 people and devastated a large area in the country’s capital.His “I Love Beirut” benefit concert will take place on Saturday 19 September and will be live-streamed across four time zones via YouTube.