A number of artists will be taking part in a special “Musicians For Kamala” livestream at 8 p.m. EDT tonight (September 17). The online event, which will raise money for the Kamala Harris and Tim Walz campaign, will feature Evanescence, Living Colour, Donita Sparks (L7), Devo, Jefferson Starship, Wayne Coyne (The Flaming Lips), Lisa Loeb,…