Related Clues:

• A single time in concerto
• "I remember the time ..."
• By a single step
• ... upon a time for the storyteller
• At one time part of population census
• Eleven, in Ensenada
• Violence without evil ... that's the start of an old story
• At some early date
• Spin Doctors "___ in a while someone lives happily ever after"
• On the off chance both sides do it without repeating it
• "There ___ was a . . ."
• "___ Upon a Time"
• Never before or since
• "Back in the day..."
• A single time in prison cells