iTutor Musics Updates

1) Is the pitch whilst talking indefinitive pitch? 2) Are "Jimi Hendrix - Purple Haze" vocals indefinite pitch? (It's like talking than singing.)3) There is a website of which vocals and their vocal ranges are discussed. There, a musical vocal range is presented and also a non-musical vocal range are given for an artist. What does non-musical vocal range include? (Talking, screaming etc.)