Two very different masses

Inspired by Saturday's episode of Building a Library on JS Bach's Mass in B-minor, two very different versions. The first is the Herbert von Karajan's take on the opening Kyrie:

The second is the entire piece courtesy of Concerto Copenhagen — Nick Kenyon's ultimate choice in his survey — in a one-voice-per-part version:

Each is lovely in its own way — I have both of them — and each seems to emphasize a different aspect of Bach's dazzling writing...