Drums are a tricky one for us guitar playing song writers. I think what happens to a lot of fledgling composer/ producer/engineers is they do try and wear to many hats. The drums was probably something you might not have even paid much attention to while playing or listening to music. Most people only listen to the "song".
I have picked apart the pieces since I don't know when. I will listen to a whole album and focus on the drums or the bass part. I'm just weird I guess.
As a sound engineer when mixing a live band, you need to listen and mix to hear each instrument clearly.
You need to know what they should sound like. So I have tried to learn to play every instrument just to gain the knowledge to do this properly. I will never call myself a drummer or a keyboard player, but I could survive a night playing those instruments at a basic level in the right situation.
As a single performer I needed drums in my accompany tracks. I had to learn the drum parts for all the songs I was playing. This is really the ticket. You'll soon get the idea of how even a simple drum part can work.
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Those auto fills are a dead givaway that the drums are not real. No drummer would play a rolls like that.
Just put on a tune that is in the style your working on and listen to the drums.
That's why I just bought a set of digital drums so I can (hopefully) improve the realism of my drum parts. I find it tricky to play fills on a keyboard controller or worse yet manually enter them. I haven't the patients to dig through libraries of 1,000 of pre done loops. I have always played my drums with live input from keyboard or mixed in real drum parts of my kit. Or better yet had a real drummer play.
Anyways, keep it up your doing great!