I think I have probably discovered why these songs have been categorised as "Tyros 2" performances. When you register a song on the Yamaha Paradise website, you have a choice of "Other or Tyros 2" in the instrument drop-down. It seems that the artists have chosen Tyros2 rather than nothing !!!
cheers
Eddie

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Eddie from Rotherham
Skype:eddiefromrotherham
www.yamahakeyboards.info