Keith Urban had toxic relationships on his mind before his split from Nicole Kidman .

After spending the summer largely apart — their last major public appearance together was on June 20, at a soccer game in their home base of Nashville, Tennessee — the Babygirl actress and the country singer's split was made public in September.

Some months before, Keith had spent time traveling the country working on his music competition show with Blake Shelton , The Road, and the latest episode release unveiled a performance of one of his songs about a couple who aren't "good" for each other.

© CBS via Getty Images Keith filmed The Road between March and April

During the Sunday, November 30, installment of the new show, Keith ended a concert in Little Rock, Arkansas, with a performanc

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