Try a little tenderness: Yo-Yo Ma and Kathryn Stott soothe the soul at the Barbican

In a luminous recital, the cellist and pianist commemorate four decades of collaboration and pay tribute to Isaac Stern, the master violinist who saved Carnegie Hall from destruction. 

Can you have too much Rachmaninov all in one go? On the basis of this tremendous Sheffield Chamber Music Festival recital, evidently not.