Hi Everyone I know there are voices on the psr s/sx that are not on the Tyros/Genos Keyboards. Er Hu, IndianKit Arabic Kit1 ArabicMixKit, Di Zi ChineseKit, And ChineseMixKit etc. My idea is that Yamaha release a Firmwire update or expantion pack to add these missing voices to the genos and tyros 5 etc.