RAG MusicAnime Songs
Lovely anime song

[2026] Recommended for men in their 40s! A roundup of anime songs you’ll want to sing at karaoke

Do you remember coming home from school, sitting in front of the TV, and getting completely absorbed in your favorite anime? The theme songs that set our hearts on fire back then still slip out of our mouths in unguarded moments, don’t they? When you’re not sure what to sing at karaoke, picking a nostalgic anime song is sure to spark lively conversation with friends from the same generation.

In this article, we’ve gathered anime songs you’ll want to sing at karaoke—focusing mainly on the 1990s to early 2000s—that will make people in their 40s today narrow their eyes and fondly reminisce about those days.

As you recall the passion you felt back then, be sure to read to the end!

[2026] Recommended for Men in Their 40s! A Roundup of Anime Songs to Sing at Karaoke (91–100)

Nintama RantarōHikaru GENJI

A nationally beloved anime that has been broadcast on NHK for many years.

While the theme song itself hasn’t changed, the artists who sing it have evolved with each generation.

It’s a long-running series passed down to the next generation.

In karaoke, too, it’s an ageless song handed down from parents to children, sung together across generations.

Galaxy Express 999sasaki isao

This is the song that was used as the first opening theme for the popular TV anime Galaxy Express 999.

The singer, Isao Sasaki, has been active since 1960 and was a well-known anison (anime song) singer at the time, also performing theme songs for other popular anime such as Space Battleship Yamato.

Please tell me.Ijū Kayoko, Nerī Shuwarutsu

Heidi, Girl of the Alps OP – Oshiete / Kayoko Iju & Nelly Schwarz
Please tell me.Ijū Kayoko, Nerī Shuwarutsu

This is the song used as the opening theme for the 1974 anime Heidi, Girl of the Alps.

It’s bright and cheerful, so even if you lower the key for a male vocalist, it’s sure to liven up any karaoke session.

The melody is easy to remember, making it a great choice for karaoke beginners as well.

I’m Doraemon.Ōyama Nobuyo, Kōrogi ’73

It’s a signature song representing the popular anime Doraemon.

Since Nobuyo Oyama, who sings it, also voiced Doraemon in the anime, the song brightly captures the world of Doraemon and has a fun vibe.

Singing it at karaoke is sure to lift your spirits.

Love Song of LumMatsutani Yūko

It’s a famous song that many artists have covered, so even today’s youth know it.

The track was used as the first opening theme for the TV anime Urusei Yatsura, which began airing in 1981, and it’s so well-known that it’s guaranteed to get everyone hyped at karaoke.