Most comments seem a bit too focused on the content. What I'd do is just get some sound clips that you like, put them into something Adobe Audition. Record your

Most comments seem a bit too focused on the content. What I'd do is just get some sound clips that you like, put them into something Adobe Audition. Record yourself trying to mimic them, compare the relevant graphs (pitch/time/loudness one being the most relevant probably), you should quickly develop an understanding of what vocally makes them sound the way they do. I did that a bit to examine accents in different languages.