00:56:566 (2) - Maybe since the 2 is on a different beat snap divisor you could try emphasizing the 2 by moving it away instead of it being a stack. Like so https://osu.ppy.sh/ss/19399992/8c40
00:45:202 (2) - NC? (Since the last note before you were following the vocal. Then the next 2 notes follow the piano so adding a NC here could emphasize that)