Since its inception in 2013, Cherry Red’s Croydon Municipal label has reliably shed light on some of the least illuminated corners of the pre-Beatles pop world.  Two recent releases – Such a Much: R&B Girls of the ‘50s and ‘60s and TV is the Thing: Fifties and Sixties Television Themes – continue in this tradition. Like many of Croydon’s releases, Such a Much features a blend of names both familiar (LaVern Baker, Little Esther, Etta James, Ruth Brown) and less familiar (Paula Grimes, Carrie Grant, Annie Laurie, Fay Simmons).  What the 19…