You have to subscribe to her new AWA artist plan to have access to the playlist, otherwise you can't see it.
WKKW shared some screenshots:
Those are the songs visible:
Akina Nakamori - Desire
Hiromi Go - Goldfinger '99
Kiyomi Suzuki - TAXI
Shizuka Kudo - Ice Rain
Seiko Matsuda - あなたに逢いたくて
Kenji Sawada - 時の過ぎゆくままに
Kazuyoshi Saito - 歩いて帰ろう
BEGIN - 恋しくて
Mariko Takahashi - 桃色吐息
Kiyohiko Ozaki - また逢う日まで
BENNIE K - サンライズ