Minamoto no Hiromasa

Minamoto no Hiromasa (源博雅, 918 – September 28, 980) was a nobleman and gagaku musician in the Heian period. He was the eldest son of Prince Katsuakira and the grandson of Emperor Daigo. His mother was the daughter of Fujiwara no Tokihira.

Because the highest rank he achieved was Provisional Master of the Palace of the Empress as a lower-third rank non-councillor, he was known as Hakuga no Sanmi (博雅三位), which is the Chinese reading of the characters for 'Hiromasa' and those for 'third rank'.

He was an expert in kangen (管弦), orchestral gagaku which does not accompany dance. He was also called Choushuukyou (長秋卿) or Lord Autumn after the Autumn Palace, the poetic name for the empress and her dwelling.

When he was removed from the imperial succession, he was granted the surname Minamoto. In 934, the lower fourth rank was conferred upon him. In 947, he became the Senior Assistant Minister of the Ministry of Central Affairs. In 959, he became Captain of the Right Watch. In 965, he became the Middle Captain of the Left Palace Guards. In 974, he was promoted to the lower third rank and became Provisional Master of the Palace of the Queen Mother.

He attained his mastery of gagaku, music lore has it, by studying vocal music with Prince Atsumi, koto with Emperor Daigo, biwa with Minamoto no Osamu, flute from Ooishi no Minekichi, and hichiriki from Yoshimine no Yukimusa. Bass hichiriki was his strong point, but he disliked song and dance. In 951, he played biwa at the Emperor's New Year's banquet.

In 966, by the order of Emperor Murakami, he compiled an imperial music anthology, the Shinsen gakubu (新撰楽譜, also called Hakuga no Fue-fu meaning "Hiromasa's Flute Score"). The system of notation he developed is still used today.

There is a story that he was called upon to participate in the so-called "Forth Year of Tentoku Poetry Contest" in 960, but that he froze in front of the emperor and accidentally gave the title of one poem but recited another.

He received the famous flute Ha Futatsu (葉二) from the demon at the Suzakumon Gate. He retrieved the famous biwa Genjou (玄象) from the Rashomon Gate. After three years of visiting Semimaru in Osaka, he was taught the secret tunes "Flowing Spring" and "Woodpecker". He appears in many tales of this kind in sources like the Konjaku Monogatarishu. Also, it is said that he held his liquor well and was a heavy drinker.

About his personality, Fujiwara no Sanesuke made the following comment in his diary: "As for Hiromasa, he's a poet and a writer, but he neglects his duties."

In fiction

In the novel "Onmyoji" (novel: Baku Yumemakura, manga: Reiko Okano), Hiromasa appears as the partner of the protagonist, Abe no Seimei. He was portrayed as a young court official (and partner of Abe no Seimei) by actor Hideaki Itō, in director Yōjirō Takita's movies "Onmyoji" and "Onmyoji 2".

gollark: Did you just randomly decide to calculate that?

gollark: Well, you can, or also "it would have about the same mass as the atmosphere".

gollark: Wikipedia says that spider silk has a diameter of "2.5–4 μm", which I approximated to 3μm for convenience, so a strand has a 1.5μm radius. That means that its cross-sectional area (if we assume this long thing of spider silk is a cylinder) is (1.5e-6)², or ~7e-12. Wikipedia also says its density is about 1.3g/cm³, which is 1300kg/m³, and that the observable universe has a diameter of 93 billion light-years (8.8e26 meters). So multiply the length of the strand (the observable universe's diameter) by the density of spider silk by the cross-sectional area of the strand and you get 8e18 kg, while the atmosphere's mass is about 5e18 kg, so close enough really.

gollark: Okay, so by mass it actually seems roughly correct.

gollark: So, spider silk comes in *very* thin strands and is somewhat denser than water, interesting.

References

Much of the content of this article comes from the equivalent Japanese-language Wikipedia article (retrieved January 28, 2006).

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