There is no best song ever written.
"Light My Fire" is not even the best Doors song. "People Are Strange" is. And Jim didn't even write the lyrics to that one.
"People Are Strange" is a perfect song. Not one word wasted. Potent imagery. Insightful, which is not a word to use lightly. Skillful use of structural devices like internal rhyme and alliteration. Abundant symmetry. Underneath it, a swinging barrelhouse tack piano invoking good times, truly creepy. Despair in clown makeup.
"Light My Fire," on the other hand, begs to be taken seriously, but it strikes me as a forced and futile attempt to find words that rhyme with "fire." "No time to wallow in the mire?" What mire? And why would I want to wallow in it? Why is Jim admonishing me not to wallow in "the mire?" Because it rhymes with "pyre," which rhymes with "fire." That's the only reason I can think of.
Also, the chorus illustrates that "fire" rhymes with itself. Light my fire, set the world on... fire! OK. Anticlimactic, in my humble opinion.
Granted, it has a towering hook rendered in a monstrous organ tone. (Hammond? I'm guessing.) But the other instrument tracks pale beside it. The guitar solo wants a meatier tone and more daring tonality. In all, it's fifth-rate poetry backed by third-rate musicianship. The mix is first-rate.
For superior lyric craft from the same time, consult practically any Bob Dylan song. If Jim Morrison ever got off a line like "the hypnotic splattered mess was slowly lifting," I'd like to hear it. For superior musicianship from the same time, consult (for example) the Byrds. Roger McGuinn had more going on under his four fingers than all The Doors put together. He's a 12-string Charlie Parker on "Psychodrama City," and I don't know what the hell he is on "Hey Joe." I hear arpeggios and blues licks thrown together at hypersonic speed. It was all recorded live to 2-track. I imagine if I showed up at some club in the mid-60s, and some band I'd never heard of called the Byrds were playing, I'd faint dead away at "Hey, Joe."
That's just a couple of popular Americans who put the Doors to shame in the 60s. Then there's the top half of the British Invasion. Hell, even forgetting the Beatles, it's an avalanche of talent. The Hollies-- who remembers them? They had range! They could play anything they wanted, anytime. Masters of their craft. The Who: a psychotic reaction in progress, live onstage. The Stones: high magic in three chords or fewer. The Kinks: Well, they were just insane and indispensable. I'd love to go back in time and watch The Doors open for The Who. Guess who'd get blown off the stage.
Anyway, if it's great songs you're after, we have to at least nod to "Stardust." It's not the most covered song of all time by accident. Drippy and sentimental, yes, but structurally impeccable, and on further examination, not so sentimental after all. A sentimental rejection of sentimentality, if that's possible.
A few "songs I wish I'd written": Talking Heads, "Life during Wartime"; REM, "Life and How to Live It"; Some unknown Nashville guy, "Beyond the Blue Horizon"; Neil Young, "Powderfinger"; Tom Waits, "A Soldier's Things." To name a few.
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