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    <p>Just for those who will encounter this problem in the future, I've documented the approach that I used below.</p> <p>I decided not to use the Karelia framework because I don't need all the bells and whistles. I just need to locate the iTunes library and display a list of songs. </p> <p>I went through the Karelia framework and it appears that they locate the iTunes library via the user defaults as shown below.</p> <pre><code>+ (NSArray*) parserInstancesForMediaType:(NSString*)inMediaType { NSMutableArray* parserInstances = [NSMutableArray array]; if ([self isInstalled]) { CFArrayRef recentLibraries = CFPreferencesCopyAppValue((CFStringRef)@"iTunesRecentDatabases",(CFStringRef)@"com.apple.iApps"); NSArray* libraries = (NSArray*)recentLibraries; for (NSString* library in libraries) { NSURL* url = [NSURL URLWithString:library]; NSString* path = [url path]; BOOL changed; (void) [[NSFileManager imb_threadSafeManager] imb_fileExistsAtPath:&amp;path wasChanged:&amp;changed]; NSString *libraryPath = [path stringByDeletingLastPathComponent]; // folder containing .xml file [IMBConfig registerLibraryPath:libraryPath]; IMBiTunesParser* parser = [[[self class] alloc] initWithMediaType:inMediaType]; parser.mediaSource = path; parser.shouldDisplayLibraryName = libraries.count &gt; 1; [parserInstances addObject:parser]; [parser release]; } if (recentLibraries) CFRelease(recentLibraries); } return parserInstances; } </code></pre> <p>Using the above approach, you can locate all iTunes libraries with the following code.</p> <pre><code>NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults]; NSDictionary *userPref = [userDefaults persistentDomainForName:@"com.apple.iApps"]; NSArray *recentDatabases = [userPref objectForKey:@"iTunesRecentDatabases"]; for (NSString *key in recentDatabases) { NSLog(@"%@", key); } </code></pre> <p>Also if you inspect the user defaults iApps dictionary you can use these other keys to get info for other applications</p> <pre><code>iMovie iPhotoAutoImportPath iPhotoRecentDatabases iTunesRecentDatabases iTunesRecentDatabasePaths </code></pre>
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    1. POHow to retrieve iTunes preferences programmatically to find audio libraries?
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