Paso 5: Refrences
-http://www.123rf.com/clipart-vector/conductor.html'
-http://www.lotusmusic.com/lm_transposing.html
-http://mysite.verizon.net/res8o1o8/transposing%20chart.htm
-www.shanemcdonald.org/music/easy-music-transposer.html
-http://www.ehow.com/how_2046065_transpose-music.html
-http://www.shanemcdonald.org/music/how-to-transpose.html
-www.creativecommons.org
-http://en.wikipedia.org/wiki/Key _(music)
-http://en.wikipedia.org/wiki/Piano
-http://en.wikipedia.org/wiki/Alto_saxophone
-http://en.wikipedia.org/wiki/Bass_clarinet
-http://en.wikipedia.org/wiki/Transposition _(music)
-http://www.shanemcdonald.org/music/easy-music-transposer.html
-http://en.wikipedia.org/wiki/Semitone
-http://aficionada.hubpages.com/hub/How-to-Transpose-Music-Part-II
-http://aficionada.hubpages.com/hub/How-to-Transpose-Music-Part-I
-http://cnx.org/content/m10672/latest/
-http://www.teoria.com/articulos/transposition/0?1.htm
-http://en.wikipedia.org/wiki/Transposing_instrument-=0-0-=09-=09-090-090909-09909090-090=-09=-0-=006,
-http://en.wikipedia.org/wiki/Transposing_instrument#Reasons_for_transposing
-http://bandnotes.info/tidbits/scales/transposition.htm
-http://www.lotusmusic.com/lm_transposing.html
-http://cnx.org/content/m10668/latest/