Showa Era, Teichiku Karaoke Cassette Tape 10-Piece Set in Case

Thank you for looking.

This is a set of 10 cassette tapes from WORLDFamilyRecord, Showa Era Karaoke, Teichiku Karaoke Daizenshu.
They come in a case.
There are 2 lyric books.

These items were stored at my parents' home.
They have been stored at home for a long time.
Playback has been confirmed.
I would be happy to pass them on to someone who understands and can use them.