A string quartet
The classical string quartet has a first and second violin, a viola and a cello. It was formalized by Franz Josef Haydn and perfected by him and Mozart. Nearly every classical composer since their time has written at least one string quartet.
Typically a string quartet is two violins, one viola, one cello.
Two violins, a viola, and a cello.
two violins, viola and cello
a violin, viola and a cello or two violins and a cello
Usually, two violins, a viola, and a cello.
Two violins, viola, and cello
A standard string quartet is made of two violins, a viola, and a cello. The cello is the lowest.
String quartets and musical chamber ensembles that generally have 2 violins, a viola and cello.
Typically a string quartet is two violins, one viola, one cello.
4 - 2 violins 1 viola and 1 cello!
Two violins, a viola and a cello is the standard.