LEONID & FRIENDS have blown the minds of legions of fans with their uncanny ability to capture the spirit, musicality, and fire of American supergroup Chicago. Leonid Vorobyev's goal was a studio project in dedication to Chicago under the motto "musicians for musicians". Their first video went viral, but they really gained traction when Chicago itself published the video on its official website. They have since expanded their repertoire to include Earth Wind & Fire, Blood Sweat & Tears, Ides of ...