牝系ツリーβ(今のところサーバー負荷を考えて4代までの簡易版)

Pet Melody [1965]
|
 | |―Ruler's Song [1971]
 | | |―Stop the Song [1986]
 | | |―Acoustically [1987]
 | |―Distinct Melody [1979]
 |   |―Kathy D. [1998]