Violin where a stopped note sounds a unison or octave with another (open) string, causing it to resonate sympathetically. Students often use these ringing tones to check the intonation of the stopped note by seeing if it is harmonious with the open string. For example, when playing the stopped pitch "A" on the G string, the violinist could play the open D string at the same time, to check the intonation of the stopped "A". If the "A" is in tune, the "A" and the open D string should produce a harmonious perfect fourth. Violins are tuned in perfect fifths, like
Jazz violin symphonic approach to jazz fusion made him a popular fusion artist of the 1970s. In 1972, he featured prominently on Elton John's "Honky Chateau" album. In 1977, he pioneered the use of the 5-string electric violin, with a lower C string. He sometimes also uses a 6-string electric violin called the Violectra, with low C and F strings – not to be confused with the violectra he played from the late 1960s to the mid-80s which had 4 strings, but tuned an octave lower. Ponty was among the first to combine the violin with MIDI, electronic distortion boxes, phase shifters,