Person · Male

John Martono

Since: present
Releases: 0

Member of

GaJaBlues 2019–now
InstiTutBlues now lead vocals

Collaboration

ITB All Stars now

Also known as

Captain John · Captain John Mart · Captain John Martono · John Mart

Identifiers

MusicBrainz: ff1d48cc-cc4f-43cd-9b36-9a2e79330e9a

Data from MusicBrainz, saved 15 Nov 2026. Photo from Wikimedia Commons, covers from the Cover Art Archive and Apple Music.