Ray Charles Granddaughter Gives Chiddy Bang Props For Song

TMZ spoke with Blair Robinson -- Ray's granddaughter and an aspiring singer -- who says tells us, "Is it grandfather's kind of music? No ... but I'm sure he's up there giving it a good chuckle."

She adds, "As one artist to another, Ray would have respected the group's craft."

For those unaware, "Ray Charles" by Chiddy Bang is becoming a breakout hit -- it's already #55 on the Billboard 200.