Hot16challenge is an initiative for rappers and singers. Idea of the action is to record one verse including 16 bars, publish it and then nominate four more artists who have 72 hours to reply. Main goal of Hot16challenge is to activate as many artists as possible and to mobilize firstly hip-hop industry, then hopefully whole music industry to help fight COVID-19 by music. Hot16challenge participants and their fans as well can donate to link or any charity campaign in fight with coronavirus.