i dont know about the possibility, but i would first look out for songs that you like and songs where the singer have a close voice (i am a failure in that point)
And if you cant risk dealing with neighbours download the music on the phone, print the text and sing in a forest or something
Another thing is to make the song louder than your voice at the start, that way the song can guide you until you are save enough to lower the volume

And stay hydrated

I think this are more general tips and i cant guarantee that it helps