In Sunday's Arts & Entertainment section, "7 Days" gave the wrong time for the Philadelphia Singers' Christmas on Logan Square Concert at St. Clement's Church on Saturday. It is at 5 p.m. The Friday concert is at 8 p.m., as listed.

A Broadway review in Monday's Health & Science section of the recently discovered Mark Twain comedy

Is He Dead?

gave an incorrect last name for the Twain scholar who found the play among papers at Stanford University. She is Shelley Fisher Fishkin.

In yesterday's Sports section, the "Playback" column in the Eagles Week 14 wrap-up incorrectly named referee Ron Winter.