Celebrated lutenist Thomas Dunford makes a rare New York appearance in a duo recital at Carnegie Hall with mezzo-soprano Lea DeSandre on Nov. 2. The program, titled Lettera Amorosa, includes songs, arias, and madrigals by Monteverdi, Frescobaldi, Handel, and Merula. Dunford will also play some solo toccatas by Kapsberger.