SistaStrings, Milwaukee-born musical duo, perform at the Oscars

MILWAUKEE (CBS 58) -- SistaStrings, a Milwaukee-born musical duo, performed at the Oscars on Sunday, March 10 -- but they didn't know until last minute who they were playing with. 

The pair performed with two violinists, and were surprised by Andrew Bocelli and his son, Matteo. 

They're off to their next adventure, performing at the next Gershwin Prize award ceremony.