In the given context, "another one" refers to **a different song**. When Rick Templeton asks Desiree, "Do you remember another one?" he is implying if she can recall a different song to perform. This phrase suggests that Desiree should try to sing a different song since she seems to have forgotten the lyrics of the song she intended to perform initially. By asking about "another one," Rick is giving Desiree an opportunity to choose a different piece to showcase her talent in front of the judges.