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
Mandore (instrument) widely used at this time than that with four or five courses". A principal source of music for the Scottish variant of the instrument can be found in "The Ancient Melodies of Scotland" by William Dauney. This book is a history of Scottish music, and contains some information on the mandora. Dauney makes it clear that the mandora (which he also calls the mandour) for which the tunes in the Skene Manuscript are written, is the same instrument that Mersenne called the "mandore". Mandore (instrument) The mandore is a musical instrument, a small member of the lute family, teardrop shaped,