[RightWhale]

The B-Minor Mass does not seem to have been performed during Bach's lifetimeThe B-Minor Mass does not seem to have been performed during Bach's lifetime

Bach was a performer, a jazz improv master, not a writer. Somebody else with a good ear wrote down the compositions.

[Borges]

Bach had a pretty good ear himself.

[newguy357]

Bach was a performer, a jazz improv master, not a writer. Somebody else with a good ear wrote down the compositions.

Evidence?