There is the milk from cows and bacon from pigs
commas, dashes, or parentheses
Nonessential appositive phrases can be separated from the rest of a sentence in three ways—with commas, with dashes, or with parentheses. Let’s look at example sentences that essentially mean the same thing:
The best pet in the world, a dog, will always be known as “man’s best friend.”
The best pet in the world—a dog—will always be known as “man’s best friend.”
The best pet in the world (a dog) will always be known as “man’s best friend.”
Bob Dylan was awarded with the Nobel Prize for literature for having been able to be the voice of a generation which was in the process of being granted freedom of speech. Indeed the decade of the 60's was a time for ideological and political changes. Accordingly, the lyrics of "The Times Are a Changing" could have been a good exemplification of the global situation, a fine mantra for the decade. "The loser now will be later to win", for example is powerful line to feel motivated to start doing new things and be part of the change. The lyrics of the song contain words that really transmit emotions of protest and a necessity to express ourselves freely in folk.