This annual tradition continues on the World Service as well as the domestic Radio 4 and Radio 3.
Tune in on Monday, Christmas Eve, as follows:
1500 UT - Radio 4 / World Service live webcast / Europe SW / US public radio webcast including WGBH / KXPR / Vermont Public Radio / WKAR 90.5
2130 UT - West Africa shortwave (try 15400, 6110 kHz in Eastern NA)
0100 UT Tuesday - Americas XM BBCWS
1400 UT Tuesday - BBC Radio 3
2300 UT Tuesday - Vermont Public Radio
Not sure about on-demand listening...
Richard Cuff / Allentown, PA