Violin completely losing tension. A violin in which the tuning pegs are slipping needs to be repaired by a luthier or violin repairperson. Peg dope or peg compound, used regularly, can delay the onset of such wear, while allowing the pegs to turn smoothly. The tuning G–D–A–E is used for most violin music, both in Classical music, jazz and folk music. Other tunings are occasionally employed; the G string, for example, can be tuned up to A. The use of nonstandard tunings in classical music is known as "scordatura"; in some folk styles, it is called "cross tuning". One famous example
Tabula Rasa (Pärt) "A," until in mm. 6, when the pattern reverses, and again the instrument sections are phased in, displaced by a half measure, but this time beginning with the lowest instrument pair (cello and contrabass). The string orchestra’s phasing pattern is reflected in the solo violin parts. When the orchestra is phasing in each part from highest pitch range to lowest, the solo violin plays an eighth note melody, when the solo bass line is played, the solo parts switch and play triplets, and when the chamber orchestra reverses the pattern and phase in again from the lowest pitch range to