Strings (tennis) be more durable than many other types of strings due to its outstanding tension retention. This may help to offset the high initial cost. The use of a dense string pattern also generally improves the longevity of natural gut. Natural gut is produced by drying fibers extracted from a part of the cow intestine called the serous membrane, or serosa, which contains collagen designed to withstand the stretching and contraction of the intestine. It is this elasticity that makes the fibers useful for tennis string. Sheep intestines have also been used for racquet strings in the past. The first natural
Piano history and musical performance century, the possibility exists that performers might profitably experiment with what would count as "authentic" pianos, in light of the particular composer's own musical preferences. To this end the pianist Gwendolyn Mok has recently made commercial recordings of Ravel's music on an 1875 Erard piano; see External Links below. Piano history and musical performance The modern form of the piano, which emerged in the late 19th century, is a very different instrument from the pianos for which the classical literature for piano predating this time was originally composed. The modern piano has a heavy metal frame, thick strings made of