Another way to do it is to put a lowpass in at around 100 hz and to keep sweeping it up in small steps while A/Bing until you start noticing a difference in quality between your track and the reference track. You might notice weird peaks in your song (either audibly or visually in SPAN) that aren't there in the other one in the process, allowing you to diagnose potential problems. Also, sometimes when I'm clueless about why my track isn't flowing well, I'd do this only to find out everything was fine apart from the crashes and hihats.
-v

I wonder if you can start from hi to low (rather than the other way) 

You could, but I just think that it's easier to start low since the low frequencies are the least complex ones and take up the most space. They also underpin the whole track, so they can be very important for a song's rhythm and feeling.

noted~~ thanks sir

I agree, with the other posts. It takes time. The more experience you get, the more things you'll hear that you never noticed before. 

To second what @Volant mentioned... I quickly threw your track into a spectrum analyzer and you can immediately see areas for improvement.

It looks like there is a hard high cut around 11khz on your pads and piano as well as a high shelf maybe starting around 3khz cutting away high frequencies until your shelf. You've also allowed these two instruments to bleed into the lower frequencies from 200kz to 0. It ends up sounding like a bass heavy am radio filter with all that mid and low end.

Similarly your vocal seems to have been hard low cut from maybe around 3khz and high cut around 17khz, which sounds flat and probably not the effect your are going for.

The tops percussion seems to not have been messed with as much, but your kick is super muddy.

Levels are all around way too high mid-track when all the instruments are playing and it's clipping or otherwise over-compressed. You can see the waveform is almost a big black blob of sound with no headroom.

Try undoing all of the eq-ing you've done and first experiment with your levels targeting 6dBFs between zero and the highest peak of your song. Adjust your track levels, not the master. Then eq each track and add super gentle compression so there is distinct areas for each sound in the mix and limited frequency competition - maybe an octave per instrument. Google for advice on suggested eq points for each instrument. For example, the piano:

http://www.audiorecording.me/how-to-mix-piano-keyboard-panning-eq-and-compression-techniques.html
https://talkinmusic.com/musicproduction/advice-mixing-piano-sounds/

Synth pads:
http://theproaudiofiles.com/video/mixing-synth-pads/

etc, etc....

Producer bros totally geek out on eq-ing kicks, using things like the Kick VST to set key and shape dynamics, but simple eq-ing and sidechain compressing other tracks to your kick will help you tons.

The stereo image is also super narrow to the middle except for the synth stab that drops on the 4, which is super wide. Just like the concept of finding spots in the frequency spectrum for each sound when eq-ing, you need to balance stereo imaging, except your low end, which should be mono for club systems.

Good quality monitoring equipment is always important, but I suspect you just need to approach it differently as you already know it doesn't sound right.

Respectfully, it's not just a matter of time, but having someone more experienced tell you what's wrong so you know what techniques you need to work on. Keep posting tracks here and places like GearSlutz and Reddit, amongst others, asking for feedback and try to find a production mentor with more experience.

Getting past this is part of your producers journey - enjoy the moment of frustration!

 

I suggest getting connected to people who have had some mix experience and can give you the time of day to talk about stuff. I've been producing for about 6 years now (2016 lit af), and i know that if it wasn't for my friends (who have pursued parts and all of the paths in the academic pursuits of this field) that i wouldn't be nearly where i am today. (coupled that with a drive and upgrade of studio equipment, you'll be fine if you stick it out).

Also, if you go to live venues and talk to the guy doing sound, he more than likely might be working in a studio or already is. Might be able to give you some pointers.

Just keep trying buddy! The beauty is in the process. A helpful practice is analyzing the EQ spectrum of tracks you really like and basing your mix on that. Keep in mind though that your music is your own, and it's okay if your mixes turn out a bit different, as long as you're happy with them some things I find people generally struggle with is their drums sounding thin, their mix being either too busy or too empty, and their synths and sounds lacking body. Check out some of the other threads on here and see if you can pick up some tips. We all feel the way you do some times, but trust me when you get that AHA! moment, it'll all be worth it