I'm Sorry was written by Shaffer Smith, Christina Milian, Paul Poli. US mechanical royalties are collected by Paul Poli Music (40%), The Luxor Trust D/b/a Bridge Apartments Music (25%), Universal Music-z Songs (25%).
US mechanical shares as registered at The MLC · each writer’s chain: writer → publisher → administrator.
IPI 00354130886 · Composer
No publisher collecting
IPI 00358467520 · Composer
No publisher collecting
Composer
No publisher collecting