The Rodolfus Foundation Virtual Choir, conducted by Ralph Allwood Hats off to the Rodolfus Foundation, whose Virtual Evensong, released on Facebook and YouTube last week, was a tour de force, with no concessions to the extraordinary circumstances in which it was produced.  In association with the Friends of Cathedral Music, and choralevensong.org, a full virtual choir and stellar supporting cast including Stephen Fry and Simon Russell Beale created a one-hour service that included Smith's Preces and Responses, Dyson's Magnificat in D, a Nunc Dimittis by Victoria, and Parry's I was Glad, all recorded and compiled under…