diff --git a/src/libtomahawk/PlaylistInterface.cpp b/src/libtomahawk/PlaylistInterface.cpp
index c7529fe06..928c19174 100644
--- a/src/libtomahawk/PlaylistInterface.cpp
+++ b/src/libtomahawk/PlaylistInterface.cpp
@@ -79,6 +79,42 @@ PlaylistInterface::siblingResult( int itemsAway ) const
 }
 
 
+int
+PlaylistInterface::posOfResult( const Tomahawk::result_ptr& result ) const
+{
+    const QList< Tomahawk::query_ptr > queries = tracks();
+
+    int res = 0;
+    foreach ( const Tomahawk::query_ptr& query, queries )
+    {
+        if ( query && query->numResults() && query->results().contains( result ) )
+            return res;
+
+        res++;
+    }
+
+    return -1;
+}
+
+
+int
+PlaylistInterface::posOfQuery( const Tomahawk::query_ptr& query ) const
+{
+    const QList< Tomahawk::query_ptr > queries = tracks();
+
+    int res = 0;
+    foreach ( const Tomahawk::query_ptr& q, queries )
+    {
+        if ( query == q )
+            return res;
+
+        res++;
+    }
+
+    return -1;
+}
+
+
 QList<Tomahawk::query_ptr>
 PlaylistInterface::filterTracks( const QList<Tomahawk::query_ptr>& queries )
 {
diff --git a/src/libtomahawk/PlaylistInterface.h b/src/libtomahawk/PlaylistInterface.h
index b7c69abc4..8475b58c5 100644
--- a/src/libtomahawk/PlaylistInterface.h
+++ b/src/libtomahawk/PlaylistInterface.h
@@ -38,9 +38,9 @@ public:
     explicit PlaylistInterface();
     virtual ~PlaylistInterface();
 
-    const QString id() { return m_id; }
+    const QString id() const { return m_id; }
 
-    virtual QList< Tomahawk::query_ptr > tracks() = 0;
+    virtual QList< Tomahawk::query_ptr > tracks() const = 0;
     virtual bool isFinished() const { return m_finished; }
 
     virtual int trackCount() const = 0;
@@ -53,7 +53,7 @@ public:
     virtual Tomahawk::result_ptr nextResult() const;
     virtual Tomahawk::result_ptr previousResult() const;
 
-    virtual qint64 siblingIndex( int itemsAway ) const = 0;
+    virtual qint64 siblingIndex( int itemsAway, qint64 rootIndex = -1 ) const = 0;
     virtual Tomahawk::result_ptr siblingResult( int itemsAway ) const;
 
     virtual Tomahawk::result_ptr resultAt( qint64 index ) const = 0;
@@ -61,6 +61,9 @@ public:
     virtual qint64 indexOfResult( const Tomahawk::result_ptr& result ) const = 0;
     virtual qint64 indexOfQuery( const Tomahawk::query_ptr& query ) const = 0;
 
+    virtual int posOfResult( const Tomahawk::result_ptr& result ) const;
+    virtual int posOfQuery( const Tomahawk::query_ptr& query ) const;
+
     virtual PlaylistModes::RepeatMode repeatMode() const = 0;
     virtual bool shuffled() const = 0;