" Daca nu am fi avut suflet,ni l-ar fi creat muzica"- Emil Cioran

http://www.youtube.com/watch?v=iat1VmplWOM
http://www.youtube.com/watch?v=Q4fsTPit9z8
http://www.youtube.com/watch?v=dUvPf_zuySA
http://www.youtube.com/watch?v=Sj_9CiNkkn4
http://www.youtube.com/watch?v=unfzfe8f9NI
http://www.youtube.com/watch?v=z7-12iJ8xTM
http://www.youtube.com/watch?v=ajCYQL8ouqw

Teorema lui Pitagora