Index: src/services/music/index.js
===================================================================
--- src/services/music/index.js	(revision 732272a320793693be207b1b67af729b1feca30f)
+++ src/services/music/index.js	(revision 5e16b8aa5bff59005d55b10e60ba39fb7989e733)
@@ -247,9 +247,10 @@
  * ooit een besloten variant, dan hoort daar het Follow/Accept-werk bij.
  */
-export function buildLibrary(base, site, rows) {
+export function buildLibrary(base, site, rows, { page = false } = {}) {
   const id = libraryId(base, site);
   const hostPosts = site.id ? trackHostPosts(site.id) : null;
   const items = (rows || []).map((r) => buildTrackAudio(base, site, r, { hostPosts }));
   return pagedCollection(id, items, {
+    page,
     extra: {
       type: 'Library',
@@ -265,9 +266,9 @@
 
 /** De collectie van alle open tracks van een site (shaer-0nh, stap 3). */
-export function buildTrackCollection(base, site, rows) {
+export function buildTrackCollection(base, site, rows, { page = false } = {}) {
   // Eén zoekopdracht voor alle rijen samen; zie trackHostPosts.
   const posts = site.id ? trackHostPosts(site.id) : null;
   const items = (rows || []).map((r) => buildTrackAudio(base, site, r, { hostPosts: posts }));
-  return pagedCollection(`${actorId(base, site.slug)}/tracks`, items, { extra: { attributedTo: actorId(base, site.slug) } });
+  return pagedCollection(`${actorId(base, site.slug)}/tracks`, items, { page, extra: { attributedTo: actorId(base, site.slug) } });
 }
 
@@ -314,5 +315,5 @@
 // collectie zelf, want ook een lijst mag niet verklappen wat er achter de
 // poort staat.
-export function listPlaylistsAP(base, site, enriched) {
+export function listPlaylistsAP(base, site, enriched, { page = false } = {}) {
   const rows = db.prepare(
     'SELECT id, title, artist, year, cover_url FROM playlists WHERE site_id = ? ORDER BY created_at, id'
@@ -327,5 +328,5 @@
     return stub;
   });
-  return pagedCollection(colId, items, { extra: { attributedTo: actorId(base, site.slug) } });
+  return pagedCollection(colId, items, { page, extra: { attributedTo: actorId(base, site.slug) } });
 }