Phillips, meanwhile, was always on the lookout for someone who could bring to a broader audience the sound of the black musicians on whom Sun focused. As Keisker reported, "Over and over I remember Sam saying, 'If I could find a white man who had the Negro sound and the Negro feel, I could make a billion dollars.'"[59] In June, he acquired a demo recording of a ballad, "Without You", that he thought might suit the teenage singer. Presley came by the studio, but was unable to do it justice. Despite this, Phillips asked Presley to sing as many numbers as he knew. He was sufficiently affected by what he heard to invite two local musicians, guitarist Winfield "Scotty" Moore and upright bass player Bill Black, to work something up with Presley for a recording session