Lifescapes: Bach Michal Sobieski was a violinist with the Saint Paul Chamber Orchestra from 1979 to 2013. During his tenure he also appeared as soloist and chamber musician. In 1994, he won praise as soloist in Vivaldi's The Four Seasons as a last minute substitute for an ailing Iona Brown. Kathryn Greenbank has been Principal Oboist of The Saint Paul Chamber Orchestra since 1982. She is a graduate of the Curtis Institute of Music James Jacobson is Principal Timpanist of the Richmond Symphony and Percussion Coordinator of the AIMS Summer Festival in Graz, Austria. He was Acting Principal Timpanist of the Hawaii Symphony Orchestra from 2013–15, and has performed with the Czech Philharmonic, National Symphony (including on tour), Minnesota Orchestra, and the Jacksonville Symphony; as well as the Columbus, Toledo, Virginia, Annapolis, Key West, and Stamford Symphony Orchestras; and the Joffrey and Bolshoi Ballet Company Orchestras. Previously, he held principal positions with the Delaware and Tallahassee Symphony Orchestras. All used disks are professionally buffed and test played before shipping and will play well in most machines.