Benson and JHS have also severed its ties with the disgraced singer-songwriter.
Liz Phair and Karen Elson say they too had negative experiences with Adams.
The song is featured on the soundtrack for the new Amazon Prime series Hanna.
Bassist Sam Kiszka says The Keys’ next album will “decide whether they are some band or a very serious staple rock band.”
The duo’s nine-song Lux Prima LP arrives in March.
The rocker’s birthday party featured a bevy of fellow musicians.