April 19 to Mary Hopkin in 6 Steps
- April 19 is the birthday of Mark Volman
- Mark Volman was a member of Turtles
- Turtles recorded The Story Of Rock And Roll
- The Story Of Rock And Roll was covered by David Cassidy
- David Cassidy recorded The Puppy Song
- The Puppy Song by Mary Hopkin features guitar played by Mary Hopkin