[composerCheckbox setState:[df boolForKey:@"showComposer"] ? NSOnState : NSOffState];
[trackTimeCheckbox setState:[df boolForKey:@"showTime"] ? NSOnState : NSOffState];
[trackNumberCheckbox setState:[df boolForKey:@"showTrackNumber"] ? NSOnState : NSOffState];
[composerCheckbox setState:[df boolForKey:@"showComposer"] ? NSOnState : NSOffState];
[trackTimeCheckbox setState:[df boolForKey:@"showTime"] ? NSOnState : NSOffState];
[trackNumberCheckbox setState:[df boolForKey:@"showTrackNumber"] ? NSOnState : NSOffState];