Alm no Komori Uta [TV-Size Chorus] sung by Nelly Schwartz.

Heidi, Girl of the Alps (アルプスの少女ハイジ Arupusu no Shōjo Haiji) is a 1974 Japanese anime series by Zuiyo Eizo.

The soundtracks were composed by Takeo Watanabe.

This is from Disc 1 of the Limited Edition Official Soundtrack.

Lyrics Japanese:

ルルル……
いっておいで 目をとじて
夢の中へ 夢のみちへ
かわいい山羊も おやすみ
小屋の中
こだまも おやすみ
谷のおくで
おやすみ おやすみ
ルルル……

Lyrics transliteration:

Rururu...
Itteoide me wo tojite
Yume no naka he yume no michi he
Kawaii yagi mo oyasumi
Koya no naka
Kodama mo oyasumi
Tani no oku de
Oyasumi oyasumi
Rururu...