Answer: takestwototango

AnswerCrossword Clue
TAKESTWOTOTANGO

"I'm not the only one to blame!"

TAKESTWOTOTANGO

Dependency adage, with "It"

TAKESTWOTOTANGO

"It's not only my fault"

TAKESTWOTOTANGO
Song popularized by Pearl Bailey
TAKESTWOTOTANGO
Requires more than one person, in a saying