Self-publishing is the publication of media by its author without the involvement of an established publisher. The term usually refers to written media, such as books and magazines
Check out this link.
http://takelessons.com/blog/piano-pop-songs-for-everyone-z06
Also songs from movies or plays are also good.
By using cross elimination, I believe it is b.) conveys information directly?
Because being assertive is a core communication skill. Being assertive means that you express yourself effectively and stand up for your point of view, while also respecting the rights and beliefs of others.