diff --git a/Cookbook/Cookbook/CookbookApp.swift b/Cookbook/Cookbook/CookbookApp.swift
index 0bd4eee..79899f4 100644
--- a/Cookbook/Cookbook/CookbookApp.swift
+++ b/Cookbook/Cookbook/CookbookApp.swift
@@ -11,6 +11,13 @@ struct CookbookApp: App {
         #if os(iOS)
             do {
                 Settings.bufferLength = .short
+
+                let deviceSampleRate = AVAudioSession.sharedInstance().sampleRate
+                if deviceSampleRate > Settings.sampleRate {
+                    // Update sampleRate to 48_000. Default is 44_100.
+                    Settings.sampleRate = deviceSampleRate
+                }
+
                 try AVAudioSession.sharedInstance().setPreferredIOBufferDuration(Settings.bufferLength.duration)
                 try AVAudioSession.sharedInstance().setCategory(.playAndRecord,
                                                                 options: [.defaultToSpeaker, .mixWithOthers, .allowBluetoothA2DP])
diff --git a/Cookbook/CookbookCommon/Package.swift b/Cookbook/CookbookCommon/Package.swift
index f236abb..9e88324 100644
--- a/Cookbook/CookbookCommon/Package.swift
+++ b/Cookbook/CookbookCommon/Package.swift
@@ -20,7 +20,7 @@ let package = Package(
         .package(url: "https://github.com/AudioKit/Waveform",          branch: "visionos"),
         .package(url: "https://github.com/AudioKit/Flow",              from: "1.0.0"),
         .package(url: "https://github.com/AudioKit/PianoRoll",         from: "1.0.0"),
-        .package(url: "https://github.com/orchetect/MIDIKit",          from: "0.9.4"),
+        .package(url: "https://github.com/orchetect/MIDIKit",          from: "0.9.7"),
     ],
     targets: [
         .target(
diff --git a/Cookbook/CookbookCommon/Sources/CookbookCommon/Recipes/MiniApps/DrumSequencer.swift b/Cookbook/CookbookCommon/Sources/CookbookCommon/Recipes/MiniApps/DrumSequencer.swift
index 7e80b88..aa141af 100644
--- a/Cookbook/CookbookCommon/Sources/CookbookCommon/Recipes/MiniApps/DrumSequencer.swift
+++ b/Cookbook/CookbookCommon/Sources/CookbookCommon/Recipes/MiniApps/DrumSequencer.swift
@@ -127,6 +127,7 @@ struct DrumSequencerView: View {
             conductor.start()
         }
         .onDisappear {
+            conductor.isPlaying = false
             conductor.drums.destroyEndpoint()
             conductor.stop()
         }
diff --git a/Cookbook/CookbookCommon/Sources/CookbookCommon/Recipes/MiniApps/DrumSynthesizers.swift b/Cookbook/CookbookCommon/Sources/CookbookCommon/Recipes/MiniApps/DrumSynthesizers.swift
index bc2e020..a8e99a4 100644
--- a/Cookbook/CookbookCommon/Sources/CookbookCommon/Recipes/MiniApps/DrumSynthesizers.swift
+++ b/Cookbook/CookbookCommon/Sources/CookbookCommon/Recipes/MiniApps/DrumSynthesizers.swift
@@ -64,6 +64,7 @@ struct DrumSynthesizersView: View {
             conductor.start()
         }
         .onDisappear {
+            conductor.isRunning = false
             conductor.stop()
         }
     }