Two songs:  The Prince by Diamondhead (as covered by Metallica on the One B-side); and Lie Detector by Dead Kennedys.

I had started with trumpet,and played up untill H.S..My Family moved to a new town ,and the school band was terrible and years (literally) behind what I had become accostomed to.I have always been drawn to beats ,and drum patterns,and would often memorize drum parts in band,so bass seemed like a happy medium between drumming,and my melodic background.Its the best of both worlds.I've never been particularly drawn to being a soloist,prefering short fills and accents to the music,and it seems playing bass allows you to play busy in the lower register w/out getting in the way of the melody(unless simplicity is called for).Ultimately I find bass more freeing for me.

After being a drummer since I was 7, I was drawn to bass since it had all the rhythmic nuances of being a drummer but it added the emotional characteristics of playing a melodically structured instrument. I also mistakenly thought it would be easier hauling a bass rig and axe around then hauling a set of drums. I was wrong on that supposition

Low end - started on bassoon, then in high school, bari-sax alternating with bass-sax in concert band. Somewhere in the sax years I heard The Real Me; I don't think I fully realized at that time what that song meant/ did to me. Soon started playing electric bass in jazz band - the rest is history!
 
My older brother played upright and briefly electric - but it didn't really do much to me at the time - weird.
 
I think Keavin's answer is perfectly acceptable also. :-D

From my earliest days of listening to  music the bass was the instrument that grabbed my attention the most...Than I heard JPJ playing with Led Zep, and I was blown away even furthur.  To this day I can remember listening to the excellent bass work on the first Led Zeppelin album and simply being amazed at how cool the bass sounded.

I thought four strings would be easier to manage than six.  Was I ever wrong...

Went to see the Police in 1984 when I was 16.  Front row.  Blown away by the thunderous waves of Sting's repetitive bass line to Synchronicity I.  Had to learn that insrument.  Still trying!