Improvisation in the style of J S Bach - David Briggs (live in Concert at Covenant Presbyterian Church, Nashville, TN - organ by C B Fisk, Opus 134.) It was a huge privilege to present a concert, two weeks ago, on the remarkable 2009 Fisk organ at Covenant Presbyterian Church, Nashville, Tennessee. I had, in fact, experienced this organ once before - but not in it's current glorious acoustic. In 2009 we lived in Ipswich, MA, only 25 minutes from Kondelin Road, Gloucester, where the Fisk shop is