Best new songs: Marissa Nadler, Eels, Tendai, Mick Jenkins

Mick Jenkins shares southern-psychedelic ‘Gucci Tried to Tell Me’; Eels delve into synth-pop/rock with 'Good Night on Earth'; Tendai combines r’n’b and hip-hop on ‘Infinite Straight’; Marissa Nadler shares the mystical 'Couldn't Have Done the Killing'.