I also feel like ACF Relationship Field Prev/Next Buttons would work but I get stuck on the first part in how to pull from all artist pages or the single-artist.php template as opposed to just the page ID in…
// This should be the ID of the page the relationship field is set up on,
// NOT this page’s ID
$page_id = 5;
// Get the projects from the relationship field
$project_listing = get_field('project_listing', $page_id);
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