Cookie Jar Songwriting/Production Music/Media London Cookie Jar is Mat Clark & James Pickering. Cookie Jar’s tracks I'm Alive by Cookie Jar published on 2018-02-26T14:50:27Z Let It Shine by Cookie Jar published on 2018-02-26T12:55:42Z Sirens by Cookie Jar published on 2018-02-19T14:08:01Z Kith & Kin by Cookie Jar published on 2018-02-19T15:04:07Z