Crescendoing Drum Roll

I have tried multiple methods of doing this, but it just doesn’t sound right. I’ve tried just adding a tremolo on a note then putting “ppp”, adding a cresendo, and putting “mp” on the next note. But it isn’t changing dynamics during the roll. I have done that, and then went into voice 2 adding the appropriate subdivision according to the tremolo but it just sounds like the individual strokes instead of a roll. Any other ideas, this is stressful. Thanks in advance.