ring tones imperative for the future of the music business, which is going through tough times. " . Britain is now set to beat the United States to having an official ring- tone chart. The first ring-tone top 20 will be published in the magazine Music Week next Monday. David Simmons, chair of the Mobile Entertainment Forum Ring Tone Initiative, first had the idea for the chart two years ago. "There was this huge intellectual gap between the mobile phone industry and the music industry, which was reading about the growth of this new business but not seeing any of the cheques. " . Calum Chace, a director of KPMG, said that unlike the unsophisticated "plonkety-plonk" early ringtones, which only generated publishing royalties for the music industry, the radio quality sounds now available commanded far more substantial mechanical royalties. Ajax Scott, editor of Music Week, said: "The music industry has always been about selling records, concert tickets and merchandise.