Find MP3s in Google Search?

Copy paste this code in google search and put the song’s title or the band’s name in place of x in  the following:

intitle:index.of + mp3 + “x” -html -htm -php -asp -txt -pls

e.g.

intitle:index.of + mp3 + “scorpions” -html -htm -php -asp -txt -pls