In 2007 , COS made its Carnegie Hall Debut with guest artists Jaime Laredo and Sharon Robinson .
COS members perform in orchestral and chamber music concerts with well - known musicians and their peer group .
In 2007 , COS made COS 's Carnegie Hall Debut with guest artists Jaime Laredo and Sharon Robinson .
COS members perform in orchestral and chamber music concerts with well - known musicians and their peer group .