@interface IGStoryMusicTrack : NSObject
@property (nonatomic, readonly) NSURL *audioFileURL;
@property (nonatomic, readonly) NSString *title;
@property (nonatomic, readonly) NSString *artistName;
@end

@interface IGStoryMusicTrackClip : NSObject
@property (nonatomic, assign) IGStoryMusicTrack *musicTrack;
@end

@interface IGMusicStickerEditViewController : UIViewController
@property (nonatomic, assign) IGStoryMusicTrackClip *musicTrackClip;
@end

%hook IGMusicStickerEditViewController
-(void)saveSong{
    NSString *documents = [[[[NSBundle.mainBundle.appStoreReceiptURL stringByReplacingOccurrencesOfString:@"file://" withString:@""] stringByDeletingLastPathComponent] stringByDeletingLastPathComponent] stringByAppendingPathComponent:@"Documents"]
    IGStoryMusicTrack *track = self.musicTrackClip.musicTrack;
    NSURL *fileURL = track.audioFileURL;
    [[NSData dataWithContentsOfURL:fileURL] writeToFile:[NSString stringWithFormat:@"%@/%@ - %@.m4a", documents, track.artistName, track.title] atomically:YES];
}
%end