I've never used Roku voice commands. Is it unambiguous that a command is for music? Or "Stevie Wonder interview" and "Stevie Wonder Superstition" be interchange

I've never used Roku voice commands. Is it unambiguous that a command is for music? Or "Stevie Wonder interview" and "Stevie Wonder Superstition" be interchangeable, with the first going to a Youtube vid and the second playing in Pandora?