LONDON -- UK Prime Minister David Cameron's "humming-gate" continues to fascinate the nation.

After a press conference in which he made a speech about handing over power to Theresa May, Cameron turned around and walked back inside No. 10.

However, his mic was still on and he was caught humming a cheerfulmysterious short tune that music nerds can't stop obsessing over. 

Classic FM kicked off the musical analysis with a faithful transcript of the humming, calling the tune -- dubbed "Cameron's lament" -- "ambivalent, confusing" from a harmonic point of view: 

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Here's an extract from the musical analysis:

 It’s almost fanfare-like in that confident leap of a fourth from G to C, but it quickly loses confidence when it mirrors the ascent later in the bar, plummeting down to D sharp, forming an awkward implied triad. 

So, Wagnerian fanfare, Beethoven-esque harmonic doubt and then a strange contemporary flourish at the end. Does this composition demonstrate the unresolved nature of Cameron’s swift departure from office? Is it perhaps a comment on what might be next for 10 Downing Street?

The radio station also appealed to the users' imaginations for different interpretations. Needless to say it sparked an online debate.

One user even named the song "Nynning" and transcribed the tune on MuseScore:

Another musician, Thomas Hewitt Jones, took the theme and turned it into something "far more polished than we, or David Cameron, could've imagined."

Here's "Fantasy on David Cameron" for cello and piano, "written and recorded hastily between midnight and 2 a.m. on July 12, 2016:"

Meanwhile, this full orchestral version has an ending that Classic FM describes as having a "tonality-skewing trombone gliss": 

Others suggested that Cameron was humming "Rock With You" by Michael Jackson, "Get Lucky" by Daft Punk or even West Side Story. 

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