my Brandenburg list (an imaginary one only at this point) will have to include this recording:
rec. 1965-67 (only a bit later than Harnoncourt's first attempt)
full list of soloists here :
Erich Penzel, Gert Seifert (natural horn)
Helmut Hucke (oboe)
Franzjosef Maier (violin, violino piccolo)
Hans-Martin Linde (traverso, recorder)
Guenter Hoeller (recorder)
Edward H. Tarr (clarino trumpet)
Ulrich Koch, Guenter Lemmen (viola)
Gustav Leonhardt (harpsichord)
Tarr probably recorded the first great original-instrument B2. Leonhardt
was already the inimintable himself then, turning in a graceful yet lithe
solo in B5.
The overall concept of orchestral balance adopted here is similar to Diego Fasolis's
2007 version - B1, B2 and B4 are considered true "concerti grossi" where the repieno
section can be sizeable, but B3, B5, B6 are seen as "concerti di camera,"
played mostly one-to-a-part. Rather "informed" for the 1960s, I'd say.