Step 1 : Introduction to the question "4. Joni Mitchell sang about a big taxi and the Beatles lived in a submarine. What colour were they? "
...1. Black 2. Yellow 3. Green 4. Red Joni Mitchell was inspired to write "Big Yellow Taxi" after a visit to Hawaii in 1970. It reflected her growing concern with the damage that was being done to the environment. Written by John Lennon and Paul McCartney, "Yellow Submarine" was released in 1966. It was a big hit for the Beatles, and provided the inspiration for their third film - a cartoon of the same name.
