Saturday evening handel  for keyboard. Solo harpsichord, and two organ concertos (organ and chamber ensemble). At First Lutheran near the public garden.  Bemf.org has details.  

 Sunday afternoon, Handel and Hayden society @ Jordan Hall. More Handel, two vocal pieces on a theme of love, for soprano, chorus and orchestra, and one concerto grosso. 

 Usual rule: one seat free to first claimant.