The Well-tempered Clavier
Six Preludes and Fugues (Book 2) No 25 in C; No. 26, in C minor: No. 27, in C sharp: No. 28, in C sharp minor; No. 29, in D; No. 30, in D minor played by Eduard Muller (harpsichord)
First of four programmes of Bach's Forty-eight Preludes and Fugues, Book 2