Let this holiday season's joy and god tidings flower and bloom with a unique concert event celebrating botanical references in medieval Christmas carols. Let Heaven and Nature Sing finds sacred choral music ensemble Soli Deo Gloria singing "Jesus Christ the Apple Tree," "The Cherry Tree Carol" and other centuries-old songs in which the religious iconography is symbolized through plant life. From describing Jesus as a gardener to highlighting the splendid colors of nature contained within a holly bush, experience Medieval music's celebration of spiritualism and the natural world as this unusual Christmas concert comes to Grace Lutheran Church in Palo Alto.