Great new songs today: John Grant, Dessa, Ghetts...

John Grant's 'The Only Baby' is long, angry, and - awesome!; Kikagaku Moyo release a fun psychedelia song 'Elevation Jam' from their new live album; Ghetts gets help from Stormzy for his new groovy track 'Skengman'; rapper Dessa stands against "global powers who stand to profit by stoking our basest vanities and appetites" on 'Rome'; French actress Isabelle Adjani covered Elvis Costello's 'Revolution #49'.