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
Baroque violin and is also well-suited for the orchestra. It can be fitted with a viola E string and tuned to GDAE and played in the same way as a violin. There were other German violin makers of the same period as Johann Heinl who continued to produce old German baroque instruments for the musician who especially wanted a traditional German violin. One interesting type of old German pattern made by Grunwald has the body similar in size to the modern violin but with the fingerboard an inch and a half longer than today's standard. This change in fingerboard length allowing for