He served as acting music director of the Florida Philharmonic Orchestra in 2001 until the orchestra 's demise in 2003 .
Silverstein was music director of the Utah Symphony from 1983 to 1998 .
Silverstein served as acting music director of the Florida Philharmonic Orchestra in 2001 until the orchestra 's demise in 2003 .
Silverstein was music director of the Utah Symphony from 1983 to 1998 .