Listen to Doesn't Really Matter ((Demonstration Version) [In The Style Of Janet Jackson]) online. Doesn't Really Matter ((Demonstration Version) [In The Style Of Janet Jackson]) is an English language song and is sung by Karaoke Jukebox Heroes. Doesn't Really Matter ((Demonstration Version) [In The Style Of Janet Jackson]), from the album Karaoke: #1 Hits 2000-2009 Vol. 3, was released in the year 2010. The duration of the song is 4:16. Download English songs online from JioSaavn.