That's the first time you mention it in an article. After that, it's '60s. The exception is when the decade is at the start of a sentence, in which case it should be written out. In a sentence, don't abbreviate the name of a state unless you are giving an address. Otherwise, write the entire name of the state out in full.
Songs Try to write out the complete, accurate title of a song.
In an article, a song title may be abbreviated after it's been written out in full. It is common usage to credit a songwriter rather than a given performer when referring to a song. The song was written by Kris Kristofferson, so if it's anyone's, it's his. Our guideline is the context of the story. Try to avoid using vulgar language, either in your writing or in quotations from the subjects of your articles.