sentences: "Gospel songs" are not necessarily published in the main hymnals used in denominational worship (they are typically found in evangelical Protestantism and are less prevalent in more liturgical churches), but Diehl's index to denominational hymnals published from the 1890s to 1966 lists 37 tunes by Gabriel.As a sample of Gabriel's vast output, below are the Gabriel tunes from three songbooks and two denominational hymnals.