No, but good question!
Book titles, movie titles, TV show titles, play titles, and music album titles should be underlined when used in writing.
Generally, no they are not.
Song Titles are put into italics.
That is correct. In MLA style, titles of books are italicized rather than underlined when citing them in text.
No they should not.
No.
The title of a speech is typically placed in quotes. It is not necessary to use italics or underline.
In formal writing, book titles are italicized instead of underlined. However, if you are writing by hand or using a typewriter, underlining can be used as a substitute for italics.
Book titles are italicized if possible. If not, they are underlined.
Yes, They Do...
titles
Titles of epics are italicized or underlined as they are 'stand-alone' works like books.