The country band formerly known as Lady Antebellum, which changed its name to Lady A in June, has filed a lawsuit against Seattle-based blues artist Anita White, who has been performing under the moniker Lady A.

In a filing submitted on Wednesday to Nashville’s U.S. District Court for the Middle District of Tennessee and obtained by PEOPLE, attorneys for the band alleged that White’s new legal counsel “delivered a draft settlement agreement that included an exorbitant monetary demand” after the two parties had a discussion about “continued coexistence” under the name Lady A.

Though a dollar figure was not listed in the suit, the band said in a statement that White had asked for $10 million. A rep for White, and the firm listed as her legal counsel in the suit, did not immediately respond to PEOPLE’s request for comment

“Today we are sad to share that our sincere hope to join together with Anita White in unity and common purpose has ended. She and her team have demanded a $10 million payment, so reluctantly we have come to the conclusion that we need to ask a court to affirm our right to continue to use the name Lady A, a trademark we have held for many years,” the group — which consists of Hillary Scott, Charles Kelley and Dave Haywood — said in the statement.

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