Eu ţi-aş recomanda cea clasică/instrumentală. Îţi dau şi câteva exemple:
http://www.youtube.com/watch?v=v2qOllkxwiw
http://www.youtube.com/watch?v=59Ri26PIOLs
http://www.youtube.com/watch?v=eGPuSQN2t3o
http://www.youtube.com/watch?v=aMqOkmDoMFQ
http://www.youtube.com/watch?v=ZpA0l2WB86E
http://www.youtube.com/watch?v=KgRvjTtrzEo
http://www.youtube.com/watch?v=nW5po_Z7YEs
Incearca sunetul relaxant al ploii https://youtu.be/zXiJdb0yqGY
Metoda simpla de relaxare, asculta sunetul ploii si relaxeaza-te https://youtu.be/zXiJdb0yqGY