Blackbird's song accompanied by unidentified steady sound around 10kHz

In this audio recording, the captivating melody of a blackbird takes center stage. This enchanting birdsong is expressed through a series of rich, varied whistles, each note pure and clear, echoing the natural prowess of the blackbird's vocal abilities. Complementing the blackbird's song, an unidentified steady sound can be discerned in the background. This sound is persistent and resonates at a frequency of around 10 kilohertz, adding a unique texture to the overall audio. It's an immersive listening experience, a serene blend of birdcall and a mysterious, rhythmic hum. The audio thus forms a harmonious ensemble, a symphony of nature with the blackbird as the soloist and the unidentified sound as the subtle accompaniment, painting a vivid soundscape that is both intriguing and soothing.