diff --git a/polyphonic/library/templates/library/item_list.html b/polyphonic/library/templates/library/item_list.html
index b674ec1..b92c45a 100644
--- a/polyphonic/library/templates/library/item_list.html
+++ b/polyphonic/library/templates/library/item_list.html
@@ -2,8 +2,6 @@
 {% load polyphonic %}
 
 {% block page %}
-<form action="" method="post" target="_blank">
-{% csrf_token %}
 <div>
     <div class="field is-grouped is-grouped-centered is-grouped-multiline">
         <div class="field has-addons control has-addons-centered is-expanded">
@@ -16,7 +14,7 @@
                 <input type="text" class="input" list="instrument-list" id="instrument-name" onchange="updateParts()"/>
                 <datalist id="instrument-list">
                     {% for inst in instruments %}
-                    <option value="{{inst.1}}"/>
+                    <option value="{{inst}}"/>
                     {% endfor %}
                 </datalist>
             </span>
@@ -35,6 +33,9 @@
     </div>
 </div>
 
+<form action="" method="post" target="_blank">
+{% csrf_token %}
+
 <table class="table is-striped mx-auto">
     <thead>
         <tr>
@@ -58,7 +59,7 @@
                     {% endif %}
                 </td>
                 <td class="is-hidden-mobile">{{ item.work.composer }}</td>
-                <td class="is-hidden-mobile">{% firstof item.work.running_time "------" %}</td>
+                <td class="is-hidden-mobile">{% firstof item.work.running_time "-:--" %}</td>
                 <td class="select-cell">
                     <input type="hidden" name="works" value="{{ item.work.pk }}"/>
                     <span class="select is-small" style="width: 100%">
@@ -84,7 +85,7 @@
             <td/>
             <td/>
             <td/>
-            <td>{% firstof running_time "------" %}</td>
+            <td>{% firstof running_time "-:--" %}</td>
             <td colspan="2">
                 <button class="button is-link is-small" type="submit" name="action" value="pdf">
                   {% icon "two_pager" %}
@@ -114,50 +115,49 @@
 const INSTRUMENTS = JSON.parse(document.getElementById('instruments').innerText);
 
 function updateParts() {
-    var inst = document.getElementById("instrument-name").value.toLowerCase();
+    var inst = document.getElementById("instrument-name").value;
     window.localStorage.setItem('instrument-name', inst);
     console.log("Changing to", inst);
 
-    for (let i of INSTRUMENTS) {
-      if (i[1].toLowerCase() === inst) {
-        inst = i[0];
-
+    for (let i in INSTRUMENTS) {
+      if (i.toLowerCase() === inst.toLowerCase()) {
+        inst = i;
         break;
       }
     }
-    console.log("Instrument code:", inst);
-
 
     let part = document.getElementById("part-preference").value;
     window.localStorage.setItem('part-preference', part);
-    console.log("Part preference:", part);
+    console.log("Part preference:", inst, part);
 
 
-    selectParts(inst, part);
+    selectParts(INSTRUMENTS[inst] || [inst.toLowerCase()], part);
     
 }
 
-function selectParts(inst, part) {
+function selectParts(codes, part) {
+
+    let n = parseInt(part);
+
+    let preferences = [];
+    for (let i=n; i>0; i--) {
+      for (let code of codes) preferences.push(code + "-" + i);
+    }
+    preferences.push(...codes);
+    console.log("Preferences:", preferences);
 
-    let prefix = inst + "-" + part;
 
     let selections = document.getElementsByName("instrument-selection");
-    console.log("Updating selections:", prefix, selections);
     for(let i=0; i<selections.length; i++) {
-        var result = "-"
-        let options = selections[i].children;
-        for(let j=0; j<options.length; j++) {
-            let value = options[j].value;
-            if (value.startsWith(prefix)) {
-                result = value;
-                break;
-            }
-            if (result==="-" && value.startsWith(inst)) {
-                result = value;
-            }
+      const selection = selections[i];
+        for(let pref of preferences) {
+          selection.value = pref;
+          if(selection.value == pref) break;
         }
-        console.log("Selected:", result);
-        selections[i].value = result;
+
+        if(!selection.value) selection.value = "-";
+
+        console.log("Selected:", selection.value);
     }
 
 }
@@ -170,7 +170,7 @@ function downloadPart(collection, work) {
     }
     console.log(part);
     let url = "/collections/" + collection + "/works/" + work + "/download?tag=" + part;
-    window.location = url;
+    window.open(url, "_blank");
 }
 
 document.getElementById("instrument-name").value = localStorage.getItem('instrument-name', 'All');
diff --git a/polyphonic/library/templates/library/item_list_manage.html b/polyphonic/library/templates/library/item_list_manage.html
index 3620ea6..60169ca 100644
--- a/polyphonic/library/templates/library/item_list_manage.html
+++ b/polyphonic/library/templates/library/item_list_manage.html
@@ -13,37 +13,57 @@
 {% endblock %}
 
 {% block page %}
-<table style="max-width: 600px; margin: 10pt auto;" class="zebra">
-    <thead>
-        <tr>
-            <th>Item</th>
-            <th>Time</th>
-            <th/>
-        </tr>
-    </thead>
-    <tbody id="work-list">
-        {% for item in object_list %}
-            <tr data-pk="{{ item.pk }}" data-order="{{ forloop.counter }}">
-                <td>{{ item.work.name }}</td>
-                <td>{{ item.work.duration }}</td>
-                <td style="text-align: center;">
-                  <span class="clickable" title="Move up" onclick="moveItem({{ item.pk }}, -1)">
-                    {% icon "arrow_upward" %}
-                  </span>
-                  <span class="clickable" title="Move down" onclick="moveItem({{ item.pk }}, 1)">
-                    {% icon "arrow_downward" %}
-                  </span>
-                  <span class="clickable" title="Remove" onClick="moveItem({{ item.pk }}, 0)">
-                    {% icon "delete" %}
-                  </span>
-                </td>
+<div class="columns">
 
-            </tr>
+  <div class="column">
+    <h3 class="subtitle">Add from collection</h3>
+    <div>
+    {% for access in project.ensemble.allowed_collections.all %}
+      <a href="" class="button is-link">{{ access.collection.name }}</a>
+    {% endfor %}
+    </div>
+  </div>
+
+  <div class="column card">
+    <table style="max-width: 600px; margin: 10pt auto;" class="table is-striped is-narrow">
+      <thead>
+        <tr>
+          <th>Item</th>
+          <th>Time</th>
+          <th/>
+        </tr>
+      </thead>
+      <tbody id="work-list">
+        {% for item in object_list %}
+        <tr data-pk="{{ item.pk }}" data-order="{{ forloop.counter }}">
+          <td>{{ item.work.name }}</td>
+          <td style="min-width: 100px;">{% firstof item.work.duration '-:--' %}</td>
+          <td style="text-align: center;">
+            <span class="clickable cursor-pointer" title="Remove" onClick="removeItem({{ item.pk }})">
+              {% icon "delete" %}
+            </span>
+            <span class="clickable drag-handle cursor-drag" title="Reorder">
+              {% icon "reorder" %}
+            </span>
+          </td>
+
+        </tr>
         {% empty %}
-            <tr><td colspan="2">No items</td></tr>
+        <tr><td colspan="2">No items</td></tr>
         {% endfor %}
-    </tbody>
-</table>
+      </tbody>
+    </table>
+    <div>
+
+    </div>
+{% endblock %}
+
+{% block style %}
+{{ block.super }}
+<style>
+  tr.dragging { opacity: 0.4; }
+  .drag-handle { cursor: move; }
+</style>
 {% endblock %}
 
 {% block scripts %}
@@ -51,36 +71,81 @@
 
 let workList = document.getElementById('work-list');
 var dirty = false;
+var dragSrc = null;
+var dragSrcNext = null;
 
-function moveItem(pk, dir) {
+function reorderItems() {
+    let items = Array.prototype.slice.call(workList.children, 0);
+    for (let j = 0; j < items.length; j++) {
+        items[j].dataset.order = j;
+    }
+}
+
+function removeItem(pk) {
     let items = Array.prototype.slice.call(workList.children, 0);
-    var i=0;
     pk = "" + pk;
-    for(i=0; i<items.length; i++) {
-        if(items[i].dataset.pk === pk) break; 
-    }
-    if(i >= items.length) return;
-
-    // check the direction is sensible
-    if (i + dir < 0 || i + dir >= items.length) return;
-
-    if (dir === 0) {
-        items[i].dataset.order = -1;
-        items[i].style = "display: none";
-    } else {
-        items[i].dataset.order = parseInt(items[i].dataset.order) + dir;
-        items[i+dir].dataset.order = parseInt(items[i+dir].dataset.order) - dir;
-    }
-    
-    items.sort((a, b) => parseInt(a.dataset.order) - parseInt(b.dataset.order))
-
-    workList.innerHTML = ""
-    for(let j=0; j<items.length; j++) {
-        workList.appendChild(items[j]);
+    for (let i = 0; i < items.length; i++) {
+        if (items[i].dataset.pk === pk) {
+            items[i].dataset.order = -1;
+            items[i].style = "display: none";
+            break;
+        }
     }
     dirty = true;
 }
 
+workList.addEventListener('mousedown', function(e) {
+    let handle = e.target.closest('.drag-handle');
+    if (handle) handle.closest('tr').draggable = true;
+});
+
+workList.addEventListener('mouseup', function(e) {
+    let handle = e.target.closest('.drag-handle');
+    if (handle) handle.closest('tr').draggable = false;
+});
+
+workList.addEventListener('dragstart', function(e) {
+    dragSrc = e.target.closest('tr');
+    if (!dragSrc) return;
+    dragSrcNext = dragSrc.nextElementSibling;
+    dragSrc.classList.add('dragging');
+    e.dataTransfer.effectAllowed = 'move';
+    e.dataTransfer.setData('text/plain', dragSrc.dataset.pk);
+});
+
+workList.addEventListener('dragover', function(e) {
+    e.preventDefault();
+    e.dataTransfer.dropEffect = 'move';
+    let target = e.target.closest('tr');
+    if (!target || target === dragSrc) return;
+
+    let rect = target.getBoundingClientRect();
+    let midY = rect.top + rect.height / 2;
+
+    if (e.clientY < midY) {
+        workList.insertBefore(dragSrc, target);
+    } else {
+        workList.insertBefore(dragSrc, target.nextElementSibling);
+    }
+});
+
+workList.addEventListener('drop', function(e) {
+    e.preventDefault();
+    dragSrcNext = null;
+    reorderItems();
+    dirty = true;
+});
+
+workList.addEventListener('dragend', function(e) {
+    if (!dragSrc) return;
+    dragSrc.classList.remove('dragging');
+    if (dragSrcNext) {
+        workList.insertBefore(dragSrc, dragSrcNext);
+    }
+    dragSrc = null;
+    dragSrcNext = null;
+});
+
 function save() {
 
     let items = Array.prototype.slice.call(workList.children, 0);
@@ -98,7 +163,7 @@ function save() {
     }).then((response) => {
         if (response.ok) {
             dirty=false;
-            window.location = "{% url 'item_list' project=project.pk %}";
+            window.location = "{% url 'project_detail' project=project.pk %}";
         } else {
             alert("Failed: " + response.statusText)
         }
diff --git a/polyphonic/library/urls.py b/polyphonic/library/urls.py
index 5bffbcb..655f47d 100644
--- a/polyphonic/library/urls.py
+++ b/polyphonic/library/urls.py
@@ -27,6 +27,11 @@ urlpatterns = [
     ),
     path("library", views.LibraryWorkListView.as_view(), name="work_list"),
     path("collections", views.CollectionListView.as_view(), name="collection_list"),
+    path(
+        "projects/<int:project>/collections",
+        views.ProjectWorkListView.as_view(),
+        name="project_work_list",
+    ),
     path(
         "collections/<int:collection>",
         views.CollectionWorkListView.as_view(),