The structure is reminiscent of the seasonal "prose" chants like Rorate caeli or Attende, Domine, with melodic patterns that are adapted from verse to verse, and in this case with a different melody in the last verse. Keep it up!
Light-years ahead of most "responsorial psalm" settings that make no intuitive sense from a structural standpoint. This is true Catholic psalmody adapted to the responsorial model.
I have a seminarian that prepares Psalms for us. We go back and forth with the options in the General Instruction of signing the response at the beginning and end only, or of singing the response after each verse. The guys would normally be away for Holy Week, but these are anything but “normal” times in which we now live. Here is Nick’s Palm Sunday Psalm and Response.
To participate in the discussions on Catholic church music, sign in or register as a forum member, The forum is a project of the Church Music Association of America.