02:07:477 (1,2,3,4) - I wouldnt make it stacked, even these notes have some difference with them, a slight.
suggestion: https://puu.sh/C5NVO/86a16f9c3b.png
01:23:227 (1,1,1,1) - would nerf the velo of the burst. I read this wrong, since im not playing with combo colors/numbers now.