Score Hardcover. Par MARTINU BOHUSLAV. 'To tell the truth, I'm a concerto grosso type,” Martinu wrote in 1945. Unsurprisingly, the concerto grosso is also the formal basis of both concertante compositions for four solo instruments and orchestra included in the 'Quadruple Concertos” volume. The works were written nearly twenty years apart and are quite different in style, having been inspired by va…