Analysis of information sources in references of the Wikipedia article "Christina Aguilera" in English language version.
I did a single with a Japanese singer (Keizo Nakanishi) when I was 16
As a vocalist it brought me back to, "Yeah, that's what I used to do to my Whitney Houston record and my Mariah Carey record and my Etta James record." It brings you back to a place where it becomes your personal responsibility to infuse the next generation with more information about learning every intricate note. That's why a song called "Sing for Me" is a special song. It's one of those singer's songs where if you're not a vocalist you can't mess with that song.
