Friday Jan 02 2009 comments Rocklin woman's passion in music By: Preston Belknap/ Special to The Placer Herald -A +A Buy This Photo Now Young violinist Matthew Stanley concentrates on the music during rehearsal. Benjimin Hartung makes the orchestra a family affair. His mother is orchestra director Margie Hartung. James Aldrich, Youjin Ko and Benjamin Hartung are members of the string section of the youth orchestra, composed of young musicians throughout Placer County. Margie Hartung conducts the STAR Placer County Youth Orchestra.