http://web2.uwindsor.ca/courses/cmllc/whitney/classm.html_ Jon Leifs:Hekla http://www.youtube.com/watch?v=H3gWZE-AZ5s _ Jón Leifs: Hekla op.52 (1961) http://www.youtube.com/watch?v=7KwmwKgvbbohttp://www.dilbert.com/strips/comic/2012-04-30/

http://www.reginaopera.org/figaro.htm http://en.wikipedia.org/wiki/The_Marriage_of_Figaro1899年 ヨン・レイフス（作曲家）

TOKYO_SUNRISE-04:49 SUNSET-18:28 MOON-09.8DAYS_ Best Underwater Pictures http://news.nationalgeographic.com/news/2012/04/pictures/120427-best-underwater-pictures-sharks-whales-animals-science/メーデー, 高額納税者発表, 扇の日, 水俣病啓発の…