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

The Vocaloids just go te-teh-te-reh-teh.kokoa shigarettop

The Vocaloids just go tet-teh tereh-teh.

This is a Vocaloid track composed of a simple melody and chorus only, designed to work purely as background music.

Its rare charm lies in how you can listen without thinking, and you can’t help but laugh at the Vocaloids singing with comically expressive, humorous visuals.

Since there are no distinctive lyrics, it’s a song with the appeal of being accessible to anyone, regardless of age or gender.

Screw the PTANashimoto P

[Hatsune Miku] Screw the PTA [Original Song]

It’s a Vocaloid song that relentlessly sings of resentment toward adults who, no matter what, create rules to bind minors—a track every kid is sure to relate to.

I think many people feel pushback against having everything they want to do restricted under the pretexts of danger or “it’s only for adults.” This is a song I want those people to hear—one that voices frustrations unique to being a child.

Astro BoyKamitakada Shonen Gasshodan

Astro Boy / Kamitakada Boys Choir / Isomin's Songs & Album / 219

It’s the theme song of the 1960s youth anime Astro Boy.

It has a catchy rhythm, a narrow pitch range, and a repetitive structure, making it easy to sing, and it works great as a lively karaoke number.

It’s an uplifting classic.

Neo-Human Casshernsasaki isao

Fight! Casshan - Kyashan Opening amateur cover

It’s an anime about a cyborg hero.

Back then, it didn’t feel realistic, so I just watched it thinking it was a cool, ordinary anime.

But now that androids and human-shaped AI robots exist in the real world, it’s a bit intriguing to think that combat-capable ones might actually become possible.

KinnikumanKushida Akira

High-quality Kinnikuman OP - Flaming Kinnikuman

It’s a hugely popular, charismatic anime that has boys totally hooked, and even the erasers featuring its characters became a trend.

Its theme song is also frequently sung and used at events, so it’s a familiar tune.

It might be a good one to sing solo at karaoke to blow off some steam.

Heidi, Girl of the AlpsIju Kayoko

HD Heidi, Girl of the Alps OP

It’s a girls’ anime, but the theme song still gets played across various media even now, so many people probably know it.

With its alpine horn and yodeling in the intro, it’s a piece that conjures up the majestic scenery of the Alps.

DevilmanJuda Keizō

Devilman

Go Nagai’s cool anime works.

Devilman continues to be remade even today, evolving to become even cooler.

Wasn’t the transformation scene absolutely amazing? Characters that inspire admiration regardless of gender are always cool across generations.