Marty Haugen is a composer of liturgical music for both Roman Catholic and Protestant congregations. He has over 400 compositions published by GIA, Augsburg Fortress and other publishers. For the past 25 years he has presented workshops and concerts across North America and in Europe, the Pacific Rim, Asia and Central America for church musicians and anyone interested in the renewal of worship.
David Haas, (born in 1958 in Bridgeport, Michigan), is an American author and composer of liturgical music, primarily for Roman Catholic congregations. He is among the most widely-sung living liturgical composers today.