added labels to interval distribution and values over bars
added labels to interval distribution and values over bars

freakimkaefig/Music-XML-Analyzer,freakimkaefig/Music-XML-Analyzer,freakimkaefig/Music-XML-Analyzer,freakimkaefig/Music-XML-Analyzer,freakimkaefig/Music-XML-Analyzer,freakimkaefig/Music-XML-Analyzer