<Dd> Viola (4--6) </Dd> <Dd> Violoncello (4--6) </Dd> <Dd> Double bass (and / or bass violones or other low - pitched bowed strings) (2--4) </Dd> <Ul> <Li> Corelli Concerti Grossi </Li> <Li> Antonio Vivaldi, Pietro Locatelli </Li> </Ul>

Which instrument family formed the core of baroque orchestra