3 files changed, 16 insertions, 4 deletions
diff --git a/solo-tool-project/src/solo_tool/handlers.py b/solo-tool-project/src/solo_tool/handlers.py
index 040928c..1e0e22c 100644
--- a/solo-tool-project/src/solo_tool/handlers.py
+++ b/solo-tool-project/src/solo_tool/handlers.py
@@ -4,7 +4,7 @@ from solo_tool.solo_tool import SoloTool
 
 def playPause(st: SoloTool) -> Callable[[], None]:
     def f():
-        if st.isPlaying():
+        if st.playing:
             st.pause()
         else:
             st.play()
@@ -28,6 +28,11 @@ def positionToKeyPoint(st: SoloTool) -> Callable[[], None]:
         st.keyPoint = st.position
     return f
 
+def setKeyPoint(st: SoloTool, kp: float) -> Callable[[], None]:
+    def f():
+        st.keyPoint = kp
+    return f
+
 def changeKeyPoint(st: SoloTool, delta: int) -> Callable[[], None]:
     from bisect import bisect_right, bisect_left
     def f():
@@ -46,7 +51,13 @@ def rateAbsolute(st: SoloTool, value: float) -> Callable[[], None]:
         st.rate = value
     return f
 
+def rateRelative(st: SoloTool, delta: float) -> Callable[[], None]:
+    def f():
+        st.rate += delta
+    return f
+
 def volumeAbsolute(st: SoloTool, value: float) -> Callable[[], None]:
     def f():
         st.volume = value
     return f
+
diff --git a/solo-tool-project/src/solo_tool/midi_controller_launchpad_mini.py b/solo-tool-project/src/solo_tool/midi_controller_launchpad_mini.py
index 9582a88..38b7cce 100644
--- a/solo-tool-project/src/solo_tool/midi_controller_launchpad_mini.py
+++ b/solo-tool-project/src/solo_tool/midi_controller_launchpad_mini.py
@@ -113,7 +113,7 @@ class MidiController:
 
         # playback control
         self._setButtonLED(6, 0, MidiController.LED_RED)
-        self._updatePlayPauseButton(self._soloTool.isPlaying())
+        self._updatePlayPauseButton(self._soloTool.playing)
 
         # Key point control
         self._setButtonLED(7, 2, MidiController.LED_YELLOW)
diff --git a/solo-tool-project/src/solo_tool/solo_tool.py b/solo-tool-project/src/solo_tool/solo_tool.py
index 13e3c03..0f47aef 100644
--- a/solo-tool-project/src/solo_tool/solo_tool.py
+++ b/solo-tool-project/src/solo_tool/solo_tool.py
@@ -29,7 +29,7 @@ class SoloTool:
 
     def addSong(self, path: str) -> None:
         if not os.path.isfile(path):
-            raise FileNotFoundError()
+            raise FileNotFoundError(path)
         self._songs.append(path)
         self._keyPoints.append([])
 
@@ -76,7 +76,8 @@ class SoloTool:
     def stop(self):
         self._player.stop()
 
-    def isPlaying(self):
+    @property
+    def playing(self) -> bool:
         return self._player.isPlaying()
 
     def jump(self):