Violin not primarily jazz violinists, Darol Anger and Mark O'Connor have spent significant parts of their careers playing jazz. The Swiss-Cuban violinist Yilian Cañizares mixes jazz with Cuban music. Violins also appear in ensembles supplying orchestral backgrounds to many jazz recordings. The Indian violin, while essentially the same instrument as that used in Western music, is different in some senses. The instrument is tuned so that the IV and III strings (G and D on a western-tuned violin) and the II and I (A and E) strings are sa–pa (do–sol) pairs and sound the same but are offset by an octave,
Violin violinists adjust their tuning to match the equal temperament of the piano to avoid discordant notes. The fingers are conventionally numbered 1 (index) through 4 (little finger) in music notation, such as sheet music and etude books. Especially in instructional editions of violin music, numbers over the notes may indicate which finger to use, with "0" or "O" indicating an open string. The chart to the right shows the arrangement of notes reachable in first position. Not shown on this chart is the way the spacing between note positions becomes closer as the fingers move up (in pitch) from the