Sam Smith released his theme song "Writing's on the Wall" for the new James Bond film "Spectre" on Friday, Sept. 25.

The British singer unveiled the track, which is four minutes and 38 seconds in length, on Nick Grimshaw's Radio 1 breakfast show, according to BBC News.

Mixed reviews of the much-anticipated song have been rolling in with several critics feeling the need to spout off their opinions.

Sir Roger Moore, who previously took on the role of Bond from 1973 to 1985, offered up a positive reaction, characterizing Smith's theme as "very haunting and wonderfully orchestrated."

While a former Bond man seemed to approve of the song, BBC entertainment correspondent Colin Paterson gave less praise to the singer, saying the track was "good enough, but not classic." However, he maintained that he thought the song was much better than Madonna's theme for 2002's "Die Another Day," which had not been received well.

"I think it's a song about a man deciding to quit it all for love," Paterson said on BBC Breakfast. He also pointed out how the melody of the song sounds strikingly similar to Michael Jackson's 1995 single "Earth Song."

Comedian David Schneider poked fun at the song, offering up the joke, "The name is Bland. James Bland." However, comic Omid Djalili had a different opinion of the track, tweeting it had left him "in a broken heap."

"If you're not moved by this song you don't have a pulse," tweeted Djalili, who had a minor role in 1999's "The World is Not Enough."

Smith is the first British singer to be chosen for the Bond theme since 1964, when Tom Jones released his theme song for "Thunderball."

Adele was the last to create a theme song, for 2012's "Skyfall," which was a success, peaking at No. 2 on the U.K. singles chart.

"Spectre" is scheduled for release in U.S. theaters on Nov. 6.

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