Complex sentence: There are 120 songs in "Songs of God's People"; unlike the hymnaries, but in common with most evangelical chorus books, the volume is not arranged thematically but simply in alphabetical order of the first lines.
Split into simpler sentences: There are 120 songs in "Songs of God's People". Unlike the hymnaries, but in common with most evangelical chorus books, the volume is not arranged thematically but in alphabetical order of the first lines.