Violin construction and mechanics four open strings, usually tuned to G, D, A, and E. The strings run from a tailpiece attached to the base, across a wooden bridge, continue towards the neck of the instrument running parallel to the fingerboard, and connect to the pegbox located at the very top of the violin. They are wound around four tuning pegs that are mounted sideways through holes in the pegbox. The bridge helps to hold the strings in place, while the pegs maintain the tension necessary to produce vibration. Strings were first made of sheep's intestines (called "catgut"), stretched, dried and twisted. Contrary to
Concerto for Piano, Violin and Strings (Mendelssohn) Concerto for Piano, Violin and Strings (Mendelssohn) The Concerto for Piano, Violin, and Strings in D minor, MWV O4, also known as the Double Concerto in D minor, was written in 1823 by Felix Mendelssohn when he was 14 years old. This piece is Mendelssohn's fourth work for a solo instrument with orchestral accompaniment, preceded by a Largo and Allegro in D minor for Piano and Strings MWV O1, the Piano Concerto in A Minor MWV O2, and the Violin Concerto in D minor MWV O3. Mendelssohn composed the work to be performed for a private concert on May 25,