How Can I Be Sure of You to Firesign Theater in 7 Steps
- How Can I Be Sure of You was written by Harry Nilsson
- Harry Nilsson sang She's Just Laughing At Me
- She's Just Laughing At Me was written by Don Addrisi
- Don Addrisi was born on December 14
- December 14 is the birthday of Gary Usher
- Gary Usher produced Waiting for the Electrician or Someone Like Him
- Waiting for the Electrician or Someone Like Him was the first album by the Firesign Theater