diff --git a/app/music_manager.py b/app/music_manager.py
index ac0c0ac..f872354 100644
--- a/app/music_manager.py
+++ b/app/music_manager.py
@@ -16,7 +16,7 @@ from PyQt6.QtCore import (
 )
 
 # App imports
-from classes import singleton
+from classes import MusicMusterSignals, singleton
 from config import Config
 import helpers
 from log import log
diff --git a/app/musicmuster.py b/app/musicmuster.py
index 4d13c2d..63fa45d 100755
--- a/app/musicmuster.py
+++ b/app/musicmuster.py
@@ -2,8 +2,9 @@
 
 # Standard library imports
 from __future__ import annotations
+from functools import partial
 from slugify import slugify  # type: ignore
-from typing import Callable
+from typing import Any, Callable
 import argparse
 from dataclasses import dataclass
 import datetime as dt
@@ -93,6 +94,66 @@ import ds
 import helpers
 
 
+class SignalMonitor:
+    def __init__(self):
+        self.signals = MusicMusterSignals()
+
+        self.signals.enable_escape_signal.connect(
+            partial(self.show_signal, "enable_escape_signal ")
+        )
+        self.signals.next_track_changed_signal.connect(
+            partial(self.show_signal, "next_track_changed_signal ")
+        )
+        self.signals.resize_rows_signal.connect(
+            partial(self.show_signal, "resize_rows_signal ")
+        )
+        self.signals.search_songfacts_signal.connect(
+            partial(self.show_signal, "search_songfacts_signal ")
+        )
+        self.signals.search_wikipedia_signal.connect(
+            partial(self.show_signal, "search_wikipedia_signal ")
+        )
+        self.signals.show_warning_signal.connect(
+            partial(self.show_signal, "show_warning_signal ")
+        )
+        self.signals.signal_add_track_to_header.connect(
+            partial(self.show_signal, "signal_add_track_to_header ")
+        )
+        self.signals.signal_begin_insert_rows.connect(
+            partial(self.show_signal, "signal_begin_insert_rows ")
+        )
+        self.signals.signal_end_insert_rows.connect(
+            partial(self.show_signal, "signal_end_insert_rows ")
+        )
+        self.signals.signal_insert_track.connect(
+            partial(self.show_signal, "signal_insert_track ")
+        )
+        self.signals.signal_playlist_selected_rows.connect(
+            partial(self.show_signal, "signal_playlist_selected_rows ")
+        )
+        self.signals.signal_set_next_row.connect(
+            partial(self.show_signal, "signal_set_next_row ")
+        )
+        self.signals.signal_set_next_track.connect(
+            partial(self.show_signal, "signal_set_next_track ")
+        )
+        self.signals.signal_track_started.connect(
+            partial(self.show_signal, "signal_track_started ")
+        )
+        # self.signals.span_cells_signal.connect(
+        #     partial(self.show_signal, "span_cells_signal ")
+        # )
+        self.signals.status_message_signal.connect(
+            partial(self.show_signal, "status_message_signal ")
+        )
+        self.signals.track_ended_signal.connect(
+            partial(self.show_signal, "track_ended_signal ")
+        )
+
+    def show_signal(self, name: str, *args: Any) -> None:
+        print(f"{name=}, args={args}")
+
+
 class Current:
     base_model: PlaylistModel
     proxy_model: PlaylistProxyModel
@@ -770,6 +831,7 @@ class QueryDialog(QDialog):
         super().__init__()
         self.playlist_id = playlist_id
         self.default = default
+        self.signals = MusicMusterSignals()
 
         # Build a list of (query-name, playlist-id) tuples
         self.selected_tracks: list[int] = []
@@ -1180,6 +1242,9 @@ class Window(QMainWindow):
         self.action_quicklog = QShortcut(QKeySequence("Ctrl+L"), self)
         self.action_quicklog.activated.connect(self.quicklog)
 
+        # Optionally print signals
+        self.signal_monitor = SignalMonitor()
+
         # Load playlists
         self.load_last_playlists()