Application is crashing with different type of Exception
- (void)loadLyricsForSong {
    NSMutableArray *arrayOfLyrics = [[NSMutableArray alloc] initWithArray:[song.songLyrics  allObjects]];
        NSSortDescriptor *nameDescriptor  = [[NSSortDescriptor alloc]initWithKey:@"startTime" ascending:YES];//name wise sorting in asecending order

        NSArray *sortDescriptors = [[NSArray alloc]initWithObjects:nameDescriptor,nil];
        [arrayOfLyrics sortUsingDescriptors:sortDescriptors];


        [self setLyricsArray:arrayOfLyrics];//setting mutable array with places
        [nameDescriptor release];
        [sortDescriptors release]; //releasing objects
        [arrayOfLyrics release];
        [self.tableView reloadData];

    }

> *** -[UITouchData retain]: message sent to deallocated instance 0x5da0860
> *** -[NSConcreteNotification retain]: message sent to deallocated instance 0x5d919b0
> *** -[CFArray retain]: message sent to deallocated instance 0x5b47d30