On Sunday, 18 February, at 3pm, Benjamin Kolodziej will perform “A Firm Foundation: An Organ Concert for Lent,” playing music of Bach, Mendelssohn, Franck, and his own compositions, exploring the musical and theological themes of Lent utilizing the Aeolian-Skinner organ at St. John’s Episcopal Church, 848 Harter Rd, Dallas. All are invited, and a reception follows.