also: がくそ
noun
gagaku training place (Heian era)
Historical term for a place where gagaku (court music) was practiced and taught during the Heian period.
See also: 雅楽 (ががく)
平安時代、楽所は宮中に設けられた雅楽の練習場だった。
In the Heian period, the gakusho was a gagaku practice hall established within the imperial court.
noun
place for playing instruments
General term for a place where musical instruments are played; less common than the historical gagaku sense.
この寺には、僧たちが楽器を演奏するための楽所があった。
This temple had a gakusho where monks played musical instruments.
雅楽 is the court music itself, while 楽所 is the place where it was practiced.
Compound of 楽 (music) and 所 (place). The reading がくしょ is the standard on'yomi combination; がくそ is an alternate reading.