Did Mrs Bach really do more than the cooking, cleaning, washing up, dusting, ironing, floor scrubbing, child rearing, nappy changing, bed making and grocery shopping ?

YES says forensic-trained Australian academic Martin Jarvis, who claims he can show that Anna Magdalena Wilcke, Bach's second wife, wrote several of the manuscripts previously credited to her famous husband.

Wrote? Or copied? The discovery hinges on handwriting analysis, and of course in Bach's day, the HP Laserjet was nothing more than a Leonardo sketch. So it's conceivable JS got the missus to knock up a few neat manuscripts in between painting her nails and necking gin. But composing? More digging required.