Blake Shelton is still Garth Brooks' biggest #frustratedfan.

Earlier this month, Shelton took to Twitter to urge the legendary singer to allow his music to be purchased on iTunes. He was reportedly trying to buy Brooks' hit 'Shameless,' but couldn't find it -- or any of Brooks' music -- online.

That's nothing new, and it doesn't look like Brooks will allow his music to be sold via digital retailers anytime soon. However, Shelton argues his music is "too important" to not be available to a new generation of music fans.

“I just hate to think that there’s a generation that hasn’t discovered him yet, because he’s too important," says the singer and 'The Voice' judge. "He’s the reason that I wanted to be a country singer. He’s the reason that I worked a summer and saved up to buy a black Takamine guitar with a cutaway on it."

Shelton continues, "He’s that important to me, and I just hate to think that people can’t ... get his music whenever they want to."

Brooks is one of the last holdouts to not let his music be sold online, saying that he wants fans to buy his entire albums, not just a song here and there. But Shelton contends that he doesn't even have a CD player anymore, and "if I do, it's broke." And his frustration isn't just for himself, either.

“My ultimate fear is, and I’ve had friends tell me that their kids didn’t know who Garth Brooks was, and that upsets me. I don’t like that,” he explains. “I think it’s because kids are walking around with their iPhones and their iPods, and if they can’t get it on there, then they probably don’t know it exists.”

It seems like Shelton is dedicated in his campaign to see hits like 'Friends in Low Places' and 'The Dance' on iTunes, but he may need to find another way to get the word out if he wants Brooks to notice. To date, the country icon doesn't have a Twitter account or official Facebook page.

Should Garth Brooks Give in to ITunes?

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