Ancient Japanese court music, recorded in 1972. Sublime.

A1 Hyōjō Netori
A2 Etenraku In Hyojo
A3 Etenraku In Banshkicho
A4 Etenraku In Oshikichō
A5 Bairo
B1 Sahō Taiheiraku (Kyū)
B2 Sahō Ranryō – Oh
B3 Uhō Genjōraku (Yatara Byōshi)
B4 Uhō Nasori (Ha)
B5 Uhō Nasori (Kyū)

Get this out-of-print recording HERE (look in the comments for the link).