Sackbut used as a clash until the Renaissance, when it became consonant in compositions, which went hand-in-hand with the widespread use of meantone temperament. During the 17th century, Well temperament began to become more and more popular as the range of keys increased. Temperament affects the colour of a composition, and therefore modern performances, typically employing equal temperament, may not be true representations of the composers' intentions. These old tunings are the result of the natural harmonic series of a brass instrument such as the sackbut. As the bell is smaller than a modern trombone, the harmonic series is closer to
Se (instrument) in the 20th century was Wu Jinglüe, who was primarily a "guqin" player. There are also very few surviving examples of musical tablature for the instrument, a majority existing in "qinpu" (tablature for the "guqin") in which the "se" was used to provide accompaniment for the "qin". Recently, there has been a revived interest in the "se", with some musicians studying it. There are also a few factories that make a modern "se" using nylon-wrapped metal strings, though the instrument needs to be properly researched using modern mediums for it to be fully acceptable as a playable instrument for general