Its current range extends more than four octaves.
The earliest surviving form of this instrument was attributed to Andrea Amati. Its current range extends more than four octaves. Its strings are tuned to C, G, d, and a, a full octave below the viola, making it the lowest-register member of a string quartet. For 10 points—name this string instrument played by Pablo Casals.
The earliest surviving form of this instrument was attributed to Andrea Amati.
violon{cello}