I took 104588_meral_celtic-meral.wav, ran a loop through SHARM Studio to pan it bilaterally (left-right channel oscillation) at 359 times a minute (359 cpm), which seems to align with the bpm of the loop.
雙邊loop.wav
聲道：2
類型：wav
loop、bilateral、rhythmic
環、雙邊、有板有眼
資料來源：freesound ( https://freesound.org )