system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How some people can have voices like Freddie Mercury while others can barely sing an octave

Edit: To clarify the question I suppose I'm more interested in learning how important genetics are relative to training. Could someone potentially train from a young age and get a voice like Freddie?
gpt
The same reason that some people get taller and some don't.  The same reason some people have darker skin than others.  Simply put- we're born that way.

Now of course, it's not that black and white.  People can do vocal exercises to increase the amount of notes they can sing (called increasing their "range").  However, people are simply born with a certain type of voice, and vocal exercises and lessons can only influence that a small amount.  

Professional singers perform songs that fit into the range of notes they are comfortable singing.  That's why you'll never hear James Earl Jones cover a song by Whitney Houston.  Whitney's vocal chords are much smaller and able to create "smaller" sound waves in a much more powerful way.

While it may seem like most people you meet talk at around the same pitch, singing changes the way air moves over your vocal chords and you might be surprised at the vocal ranges of even your closest friends.