But Mr Rosen's observations on the relationship between technique and interpretation and his advice on details of phrasing and articulation are always illuminating.

ECONOMIST: Pianos and pianists: Perspirations | The

Practicing at least four hours a day paid off in his staggering technique, equaled by his compelling powers of musical interpretation and sheer memory.

WSJ: Paul Jacobs | Great Music Needs No Apology | Cultural Conversation by Barrymore Laurence Scherer