Original: In the early 1980s Barenboim began a relationship with the Russian pianist Elena Bashkirova , with whom he had two sons : David Arthur ( born 1982 ) ( later a manager-writer for the German hip-hop band Level 8 ) and Michael Barenboim ( born 1985 ) ( a violinist ) .
Simplified: In the early 1980s , Barenboim began an affair with the Russian pianist Elena Bashkirova , with whom he had two sons .