Now you may not know, but I’m a big Paul Weston and Jo Stafford fan (and a BIG fan of their alter egos, Jonathan and Darlene Edwards… and a big fan of musical parody and comedy, which they do). This analysis of Stafford’s nearly perfect pitch is quite good:
AND here’s a classic Jonathan and Darlene Edwards (yes, that’s Paul Weston on the piano adding extra beats in the odd measure or three - which you can discover for yourself by attempting to keep time with them - , and yes, that’s really Jo Stafford singing as “Darlene Edwards”):
