diff --git a/PlayerPRO Player/CurrentlyPlayingIndex.swift b/PlayerPRO Player/CurrentlyPlayingIndex.swift
index 0fc9bbf9..fdc1fdb9 100644
--- a/PlayerPRO Player/CurrentlyPlayingIndex.swift	
+++ b/PlayerPRO Player/CurrentlyPlayingIndex.swift	
@@ -13,10 +13,17 @@ struct CurrentlyPlayingIndex: CustomDebugStringConvertible, CustomStringConverti
 	var playbackURL: URL? = nil
 	
 	var description: String {
-		return "Index: \(index) URL: \(playbackURL!.relativePath)"
+		return "Index: \(index) URL: \(playbackURL?.relativePath ?? "none")"
 	}
 	
 	var debugDescription: String {
-		return "Index: \(index) URL: '\(playbackURL)' URL Path: \(playbackURL!.path)"
+		let urlDes: String
+		if let playURL = playbackURL {
+			urlDes = String(describing: playURL)
+		} else {
+			urlDes = "none"
+		}
+		
+		return "Index: \(index) URL: '\(urlDes)' URL Path: \(playbackURL?.path ?? "none")"
 	}
 }
diff --git a/PlayerPRO Player/PlayerAppDelegate.swift b/PlayerPRO Player/PlayerAppDelegate.swift
index 6cff2512..a02e067e 100644
--- a/PlayerPRO Player/PlayerAppDelegate.swift	
+++ b/PlayerPRO Player/PlayerAppDelegate.swift	
@@ -246,6 +246,7 @@ class PlayerAppDelegate: NSObject, NSApplicationDelegate, NSTableViewDelegate, N
 	}
 	
 	func addMusicToMusicList(_ theURL: URL, loadIfPreferencesAllow load: Bool = true) {
+		// clear sort descriptors, so added files don't get sorted incorrectly.
 		tableView.sortDescriptors = []
 		willChangeValue(forKey: kMusicListKVO)
 		let okayMusic = musicList.addMusicURL(theURL, force: false)
@@ -261,8 +262,10 @@ class PlayerAppDelegate: NSObject, NSApplicationDelegate, NSTableViewDelegate, N
 			similarAlert.informativeText = "There is already a tracker file that points to the added file. Do you still wish to add it?";
 			similarAlert.addButton(withTitle: "Add")
 			
-			let cancelButton = similarAlert.addButton(withTitle: "Cancel")
-			cancelButton.keyEquivalent = PPEscapeValue;
+			do {
+				let cancelButton = similarAlert.addButton(withTitle: "Cancel")
+				cancelButton.keyEquivalent = "\u{1b}" //escape
+			}
 			
 			similarAlert.addButton(withTitle: "Load Existing")
 			
diff --git a/Shared/PPTimeFormatter.m b/Shared/PPTimeFormatter.m
index 98bbccce..ea3a433b 100644
--- a/Shared/PPTimeFormatter.m
+++ b/Shared/PPTimeFormatter.m
@@ -6,9 +6,9 @@
 //
 //
 
+#include <stdio.h>
 #import "PPTimeFormatter.h"
 #import <Foundation/Foundation.h>
-#import <stdio.h>
 
 @implementation PPTimeFormatter
 
@@ -16,13 +16,15 @@ - (NSString *)stringForObjectValue:(id)obj
 {
 	if ([obj isKindOfClass:[NSNumber class]] ) {
 		NSInteger theVal = [obj integerValue];
-		int seconds = (theVal/60) % 60;
-		int minutes = (theVal/(60 * 60)) % 60;
-		if (theVal / (60*60*60) > 0) {
-			int hours = (int)(theVal/(60 * 60 * 60));
-			return [NSString stringWithFormat:@"%d:%02d:%02d", hours, minutes, seconds];
+		NSInteger fullVal = labs(theVal);
+		BOOL isNeg = theVal < 0;
+		int seconds = (fullVal/60) % 60;
+		int minutes = (fullVal/(60 * 60)) % 60;
+		if (fullVal / (60*60*60) > 0) {
+			int hours = (int)(fullVal/(60 * 60 * 60));
+			return [NSString stringWithFormat:@"%s%d:%02d:%02d", isNeg ? "-": "", hours, minutes, seconds];
 		} else {
-			return [NSString stringWithFormat:@"%d:%02d", minutes, seconds];
+			return [NSString stringWithFormat:@"%s%d:%02d", isNeg ? "-": "", minutes, seconds];
 		}
 	} else return nil;
 }
diff --git a/Shared/UserDefaultKeys.h b/Shared/UserDefaultKeys.h
index ed9bcb79..91d81d6c 100644
--- a/Shared/UserDefaultKeys.h
+++ b/Shared/UserDefaultKeys.h
@@ -213,7 +213,6 @@ extern NSString * const PPCETrackHeight;
 #pragma mark Misc./other
 extern NSString * const PPDoubleDash;
 extern NSString * const kMusicListKVO;
-#define PPEscapeValue	@"\e"
 
 NS_ASSUME_NONNULL_END