The buzz on rocker David Cook’s last American Idol song choice (he wowed judges and fans with the Chris Cornell version of “Billie Jean”) has barely died down, and already new musical controversy is springing up.

Now, Cook is on the rocks for his “Eleanor Rigby” arrangement, which he crooned during one of the show’s Beatles weeks. Seattle-based band Doxology has come forward claiming the arrangement Cook performed on March 11 was actually theirs, though no credit was given to the band. In a recent press release, the band says they do not want royalties (monies they would have been entitled to had they been given credit for the arrangement performed on air), but recognition. Since Cook did not step forward and say he used another band’s arrangement, there is an implication that he created the fresh sound himself, and Doxology says this is not the case. FOX officials have not yet commented on these events.