It's definitely not Roger's voice. And I couldn't find any reference to it when I searched the lyrics on Google. Not a bad song, though... probably just some kid trying to pass off his band as Pink Floyd

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what do you teach your children about me?
what do you teach your little children about me?
pimp, thug, bling drug lord of the undergrounded kings
how can you be so sure i won't call down the rain?
what do you teach your little children about me?
you point your gun, wait, hide and run. i see it plain