Link to my track

I'm fairly new to the program and have been working on this track for the trane tune 26-2 and I'm getting some strange quirks in the drum track where the volume drops off suddenly (0:42 in the attached mp3). I like the transitions in dynamics but only if I can get it sounding more natural.

My other question is about getting pushed beats right on the drum track, this same kind of quirk happens (at 2:03 in the mp3) where the and-of-4 is supposed to be pushed in the bass and accented in the drums.

My last question is about getting the last beat held longer, in the track I have the end chord set to 'hold' but in the track it's very short. I'm trying to get a sustained bass note with maybe a cymbal crash that's held out for the ending. Is this possible to do?

I've also attached a screenshot of my session if that's useful. I've searched around the forum and online for the answer so apologies if I've missed anything obvious here, any help is greatly appreciated, thank you!

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Screenshot 2023-11-14 010525.png (796.42 KB, 15 downloads)