The strings are the largest family of instruments in the orchestra and they come in four sizes: the violin, which is the smallest, viola, cello, and the biggest, the double bass, sometimes called the contrabass.Click to see full answer. Also know, what instrument has the most strings?In terms of pianos which are still in production, the Doppio Borgato pedal piano probably holds the title– the primary keyboard, which has four strings per note on the upper three octaves, is augmented by a pedalboard with 37 notes.Likewise, what is the lowest and largest string instrument? DOUBLE BASS or BASS: is the largest and lowest instrument of the string family. Beside this, how many instruments are there in the string family? 4 instruments Which are the string instruments?In the Hornbostel-Sachs scheme of musical instrument classification, used in organology, they are called chordophones. The most common string instruments in the string family are guitar, electric bass, violin, viola, cello, double bass, banjo, mandolin, ukulele, and harp.