diff --git a/openlp/core/ui/slidecontroller.py b/openlp/core/ui/slidecontroller.py
index 456399869..75616960b 100644
--- a/openlp/core/ui/slidecontroller.py
+++ b/openlp/core/ui/slidecontroller.py
@@ -909,7 +909,9 @@ class SlideController(DisplayController, RegistryProperties):
                 Registry().execute('%s_stop' % old_item.name.lower(), [old_item, self.is_live])
             if old_item.is_media() and not self.service_item.is_media():
                 self.on_media_close()
-        Registry().execute('slidecontroller_%s_started' % self.type_prefix, [self.service_item])
+        if self.is_live:
+            # This even is only registered for live
+            Registry().execute('slidecontroller_%s_started' % self.type_prefix, [self.service_item])
 
     def on_slide_selected_index(self, message):
         """
diff --git a/openlp/plugins/songs/lib/importers/openlp.py b/openlp/plugins/songs/lib/importers/openlp.py
index f13ed4620..383ea0483 100644
--- a/openlp/plugins/songs/lib/importers/openlp.py
+++ b/openlp/plugins/songs/lib/importers/openlp.py
@@ -149,7 +149,12 @@ class OpenLPSongImport(SongImport):
                 class_mapper(OldSongBookEntry)
             except UnmappedClassError:
                 mapper(OldSongBookEntry, source_songs_songbooks_table, properties={'songbook': relation(OldBook)})
-        if has_authors_songs and 'author_type' in source_authors_songs_table.c.values():
+        if has_authors_songs:
+            try:
+                class_mapper(OldAuthorSong)
+            except UnmappedClassError:
+                mapper(OldAuthorSong, source_authors_songs_table)
+        if has_authors_songs and 'author_type' in source_authors_songs_table.c.keys():
             has_author_type = True
         else:
             has_author_type = False
@@ -190,11 +195,6 @@ class OpenLPSongImport(SongImport):
             class_mapper(OldTopic)
         except UnmappedClassError:
             mapper(OldTopic, source_topics_table)
-        if has_authors_songs:
-            try:
-                class_mapper(OldAuthorSong)
-            except UnmappedClassError:
-                mapper(OldAuthorSong, source_authors_songs_table)
 
         source_songs = self.source_session.query(OldSong).all()
         if self.import_wizard:
diff --git a/tests/functional/openlp_core/test_init.py b/tests/functional/openlp_core/test_init.py
index 0aef7d8cb..6684f0057 100644
--- a/tests/functional/openlp_core/test_init.py
+++ b/tests/functional/openlp_core/test_init.py
@@ -24,6 +24,8 @@ import sys
 from unittest import TestCase
 from unittest.mock import MagicMock, patch
 
+from PyQt5 import QtWidgets
+
 from openlp.core import OpenLP, parse_options
 
 
@@ -156,3 +158,73 @@ class TestOpenLP(TestCase):
         assert result is False
 
         del app
+
+    @patch('openlp.core.QtCore.QSharedMemory')
+    def test_is_already_running_not_running(self, MockedSharedMemory):
+        """
+        Test the is_already_running() method when OpenLP is NOT running
+        """
+        # GIVEN: An OpenLP app and some mocks
+        mocked_shared_memory = MagicMock()
+        mocked_shared_memory.attach.return_value = False
+        MockedSharedMemory.return_value = mocked_shared_memory
+        app = OpenLP([])
+
+        # WHEN: is_already_running() is called
+        result = app.is_already_running()
+
+        # THEN: The result should be false
+        MockedSharedMemory.assert_called_once_with('OpenLP')
+        mocked_shared_memory.attach.assert_called_once_with()
+        mocked_shared_memory.create.assert_called_once_with(1)
+        assert result is False
+
+    @patch('openlp.core.QtWidgets.QMessageBox.critical')
+    @patch('openlp.core.QtWidgets.QMessageBox.StandardButtons')
+    @patch('openlp.core.QtCore.QSharedMemory')
+    def test_is_already_running_is_running_continue(self, MockedSharedMemory, MockedStandardButtons, mocked_critical):
+        """
+        Test the is_already_running() method when OpenLP IS running and the user chooses to continue
+        """
+        # GIVEN: An OpenLP app and some mocks
+        mocked_shared_memory = MagicMock()
+        mocked_shared_memory.attach.return_value = True
+        MockedSharedMemory.return_value = mocked_shared_memory
+        MockedStandardButtons.return_value = 0
+        mocked_critical.return_value = QtWidgets.QMessageBox.Yes
+        app = OpenLP([])
+
+        # WHEN: is_already_running() is called
+        result = app.is_already_running()
+
+        # THEN: The result should be false
+        MockedSharedMemory.assert_called_once_with('OpenLP')
+        mocked_shared_memory.attach.assert_called_once_with()
+        MockedStandardButtons.assert_called_once_with(QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No)
+        mocked_critical.assert_called_once_with(None, 'Error', 'OpenLP is already running. Do you wish to continue?', 0)
+        assert result is False
+
+    @patch('openlp.core.QtWidgets.QMessageBox.critical')
+    @patch('openlp.core.QtWidgets.QMessageBox.StandardButtons')
+    @patch('openlp.core.QtCore.QSharedMemory')
+    def test_is_already_running_is_running_stop(self, MockedSharedMemory, MockedStandardButtons, mocked_critical):
+        """
+        Test the is_already_running() method when OpenLP IS running and the user chooses to stop
+        """
+        # GIVEN: An OpenLP app and some mocks
+        mocked_shared_memory = MagicMock()
+        mocked_shared_memory.attach.return_value = True
+        MockedSharedMemory.return_value = mocked_shared_memory
+        MockedStandardButtons.return_value = 0
+        mocked_critical.return_value = QtWidgets.QMessageBox.No
+        app = OpenLP([])
+
+        # WHEN: is_already_running() is called
+        result = app.is_already_running()
+
+        # THEN: The result should be false
+        MockedSharedMemory.assert_called_once_with('OpenLP')
+        mocked_shared_memory.attach.assert_called_once_with()
+        MockedStandardButtons.assert_called_once_with(QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No)
+        mocked_critical.assert_called_once_with(None, 'Error', 'OpenLP is already running. Do you wish to continue?', 0)
+        assert result is True
diff --git a/tests/functional/openlp_core_ui/test_slidecontroller.py b/tests/functional/openlp_core_ui/test_slidecontroller.py
index 1bbf16227..4058f79c2 100644
--- a/tests/functional/openlp_core_ui/test_slidecontroller.py
+++ b/tests/functional/openlp_core_ui/test_slidecontroller.py
@@ -681,7 +681,7 @@ class TestSlideController(TestCase):
         slide_controller._process_item(mocked_media_item, 0)
 
         # THEN: Registry.execute should have been called to stop the presentation
-        self.assertEqual(3, mocked_execute.call_count, 'Execute should have been called 3 times')
+        self.assertEqual(2, mocked_execute.call_count, 'Execute should have been called 2 times')
         self.assertEqual('mocked_presentation_item_stop', mocked_execute.call_args_list[1][0][0],
                          'The presentation should have been stopped.')
 
diff --git a/tests/functional/openlp_plugins/songs/test_openlpimporter.py b/tests/functional/openlp_plugins/songs/test_openlpimporter.py
index 9682695a9..3166c1e7d 100644
--- a/tests/functional/openlp_plugins/songs/test_openlpimporter.py
+++ b/tests/functional/openlp_plugins/songs/test_openlpimporter.py
@@ -23,10 +23,10 @@
 This module contains tests for the OpenLP song importer.
 """
 from unittest import TestCase
+from unittest.mock import patch, MagicMock
 
-from openlp.plugins.songs.lib.importers.openlp import OpenLPSongImport
 from openlp.core.common import Registry
-from tests.functional import patch, MagicMock
+from openlp.plugins.songs.lib.importers.openlp import OpenLPSongImport
 
 
 class TestOpenLPImport(TestCase):
diff --git a/tests/resources/opensongsongs/Amazing Grace.json b/tests/resources/opensongsongs/Amazing Grace.json
index 97b8c77b7..83c19fb85 100644
--- a/tests/resources/opensongsongs/Amazing Grace.json	
+++ b/tests/resources/opensongsongs/Amazing Grace.json	
@@ -39,4 +39,4 @@
             "v5"
         ]
     ]
-}
\ No newline at end of file
+}