Simplify this text:
Du PrA primarily played two Stradivarius cellos, the 1673 cello (now called the '' du PrA Stradivarius ''), and the 1712 Davidov Stradivarius.
There were two cellos that Du PrA usually played. One was a Stradivari cellos, the Stradivarius made in 1673, and the other was made in 1712 and was called the Davydov Stradivarius.