1 21 Seoseo — who wrote it?

no ISWC✓ No disputed shares

1 21 Seoseo was written by I Doo Yang. US mechanical royalties are collected by Sony/atv Tunes LLC (100%).

Writers

credited writers

Publishers & admins

1 collecting groups

Linked recordings

matched to this work

Share registered

100%

fully registered

Unclaimed

—

below 1% threshold

Who collects the mechanical royalties

US mechanical shares as registered at The MLC · each writer’s chain: writer → publisher → administrator.

Sony/atv Tunes LLC 100%Sony/atv Tunes LLC · 100%

Sony/atv Tunes LLC 100%

Writer / Publisher / Administrator	IPI	Collected by	Role	Share
▸I Doo Yang	—		Composer	100%
Sony/atv Music Publishing Korea	00285100389	Sony/atv Tunes LLC	Sub-publisher	100%

Is your catalogue fully collected?

Missing ISWCs, unclaimed shares and split catalogues cost songwriters royalties. We find them and help fix them at The MLC.