St. John Evangelical Lutheran Church on the Hill, 15199 2825 E. Street, Princeton, is celebrating 175 years as a congregation this year.

A free organ concert 1:30 p.m. Sunday, July 14, will feature John Linker, music director at Christ Church Transitional Cathedral, New Zealand. Refreshments will be served following the concert and a freewill offering will be received with proceeds going to a local charity. The public is welcome.