 He met the band afterward and was asked to send an audition tape after claiming to be able to sing like Marc Bolan.The band's manager Barry Newby decided that the voice was essential to the T. Rex sound and, after hearing Rob's tape, invited him to a further audition; soon he was asked to be lead vocalist.The band renamed themselves Mickey Finn's T-Rex, and acquired the legal trademark rights for the "T-Rex" bandname.