[x] Suitable for binding "inside" margin wider than the "outside" margin.
[x] Suitable pagination
[x] Combined parts - two voices on the same staff are printed as chords as opposed to separate stems, except when the parts differ or are identical, or near identical notes. (More conformant to standard hymnal styles)
Slight nit: the spacing on the last two systems is large; but I like the breaks - they reinforce the phrasing and the closing thoughts well. Suggest shortening the systems.
The Rock Of My Heart (93 in Songs for Worship and Praise, our old supplement)