WIP list of manga / manhwa about music, music bands, or featuring musicians.

Manga

88rhapsody

Licensed in French.

100 dB Pouring Into You

Ongoing. Four volumes, with the third recently released in English through Animate International but they're all digital only AFAIK.bs

A fool's love song

Licensed in French.

Breathless Momentum

Ongoing, 6 volumes but only 5 available in English through Animate International. As a spinoff Loveless Momentum.

Endless Sound

Not licensed in English.

Given

Completed in Japan with 9 volumes + epilogue 1 volume not yet available in English.Multiple couples, a nice dose of angst. Can't believe I forgot to mention this one.

In the Key of Love, Reprised

Pink Heart Jam

Completed after two volumes, but has a sequel Pink Heart Jam Beat.

Love Song for the Defective

Completed after one volume. Available on Renta!

Rock Your World

Three volumes, compled.
Technically they're idols, but I felt like including it in the list.

Shout Loud, My Heart

Oneshot. Available from Kodansha.

The Farthest Love in the World

Two volumes, ongoing.

The Metalhead Next Door

Currently one volume, IIRC it's getting a sequel.

The Song of Yoru & Asa

Completed. Has a sequel named Encore.

Whimsical Jaguar

Completed. Four volumes but only one was ever translated into English.

Manhwa

A First of Summers

In hiatus after its first season. Available on Lezhin US.

Dark Heaven

Completed. Available on Lezhin US.

Bespoken

Currently in indefinite hiatus. Available on Lezhin US.
Main character is a musician, but the story itself doesn't revolve around it.