Psychoacoustics ringtones and site

I need 100 polyphonic ringtones custom created for seniors according to Psychoacoustics and a site to let them downloaded and ready to accept new ones from visitors Ringtones has to be created having elder people in mind: in particular they must follow guidance of limits of perception and frequencies to allow best chances to be hear by senior people. Please check it. Site offers to logged visitor the chance to download ringtones Site is free and it's important to show maximum number of adsense banners Visitors are warned when new ringtones are available Sites show most downloaded ringtones Ringtones are collected in listings by category. Every ringtone has a page with name, description, author, tags, avatar Registered visitors can upload and post their custom ringtones (if they have rights over them) and see how many downloads. File Size must be small