 Major choral works are also performed during the year, such as the oratorio "Elijah" by Felix Mendelssohn, conducted by Walker and accompanied by guest organist Frederick Swann, and Johann Sebastian Bach's cantata, "God's time is always the very best time" (""Actus Tragicus"", BWV106), in the 2008–2009 season.The choir's May, 2009, performance of "Elijah" has since been released on CD.Along with regular worship services on Sundays and holy days, Brown Memorial Park Avenue Church offers various programs of enrichment and outreach, such as concerts, lectures, and study forums.