This is a collection of folk songs featuring shamisen, shakuhachi, sheet music (staff notation), and lyrics. The product name is "Min'yo Osarai Hyakka" (Folk Song Review Encyclopedia), volumes 1-15. The songs included are as listed in the attached table. The cover of volume 15 is shown as an example. The format of the songs is exemplified by "Tsugaru Jimku," with shamisen and shakuhachi parts, sheet music (staff notation), and lyrics included. Cassette tapes are also included, but they haven't been listened to in a long time, so please consider them as a bonus. (Almost all volumes are present, but the tapes for volume 1, volume 3, and volume 14, part 2 are missing.)