After trombonist Jeff Reynolds retired from the Los Angeles Philharmonic and moved to Nevada County four years ago, he thought he was done performing. He was wrong. What Reynolds did not foresee was that soon after he would listen to Seattle’s St. Marks Episcopal Cathedral’s Compline Choir on the Internet and become compelled to devote his time to making his own compline choirs at Trinity Episcopal Church in Nevada City. “I thought I would fold up my tent and live my declining years in this beautiful city,” Reynolds said. “I was trying to figure out what to do to use …