Lyric discussion by zx11 

Anyone can make whatever they want from any lyrics, and it's not wrong or right. But if you are trying to discern what the author was thinking, then this is not about a spy ship, nor old world explorers. There isn't much here other than a vague thought of sailing away to a new world, whether that world is physically a new place and/or just a new mental outlook. That was a very popular thought in the 60's and early 70's (and generally throughout history). I don't know if the timing works out, but there was a popular song about raindrops falling on my head, as well as Who'll Stop the Rain by CCR, so that could have prompted the rain drops line. There were songs about San Francisco being a new consciousness or a new beginning. As the author states, the 73 number came from keys on a new electronic piano that had fewer than the acoustic pianos. Of course, the Beatles made a Magical Mystery Tour. So I believe the author, who admits he wrote it sort of on the fly just took bits floating around in his head and threw them together in a general theme of seeking a new reality, and there really aren't a lot of words to the song. I think people get hung up on the number 73 and think it must have special meaning, but more often than not, these authors are writing hundreds of songs and often don't dwell very long. Once they are famous they likely put in more effort, but this band was not famous and was being told to hurry up and get out of the studio.

@zx11 Nice, this bit sums it up for me - "........There isn\'t much here other than a vague thought of sailing away to a new world, whether that world is physically a new place and/or just a new mental outlook."

An error occured.