This is the 9188th most frequent Polish word.
słysząc
"Hearing."
The word 'słysząc' here indicates the ongoing act of hearing something, and it serves as a participle introducing a subordinate clause.
Słysząc kroki, wstał z krzesła.
Hearing footsteps, he got up from the chair.
Here, 'słysząc' conveys the action of hearing music that motivates the decision to go to the park, functioning as a participial phrase.
Słysząc muzykę z parku, postanowili się tam wybrać.
Hearing music from the park, they decided to go there.
In this sentence, 'słysząc' reflects the act of hearing someone's perspective which triggers a change in perception.