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
Electronic musical instrument to different musical scales and keys. The instrument can record a repeating loop of adjustable length, set to any tempo, and new loops of sound can be layered on top of existing ones. This lends itself to electronic dance-music but is more limited for controlled sequences of notes, as the pad on a regular Kaossilator is featureless. The Eigenharp is a large instrument resembling a bassoon, which can be interacted with through big buttons, a drum sequencer and a mouthpiece. The sound processing is done on a separate computer. The XTH Sense is a wearable instrument that uses muscle sounds