Author: Bob Dufford, SJ, b. 1943Appears in 6 hymnalsFirst Line: A voice cries out in the wildernessRefrain First Line: Ev'ry valley shall be exaltedTopics: Hope; The Liturgical Year Advent (Sundays and Weekdays); The Liturgical Year The Nativity of St. John the Baptist (June 24)Scripture: Isaiah 40:1Used With Tune: [A voice cries out in the wilderness]