Crescendo also means to speed up. This increases the rate of information that the brain must process so that is perceived as more intense.
Also, if you are having difficulty with a crescendo, you'll need to figure out how much you need to do to make it louder, gradually. Louder does not mean more difficult on you. It should be just as easy to play loudly as when you are playing softly.
For what I knew the Cres. was a sound only dynamic, but I guess speeding slightly its a natural consecuence considering that I have to drop (not press acording to Mr. Chang) with less resistance each time. Nevertheless I don't want it to sound rushed, while a bit of speed up may work, I want a rich sound that increases in tension.
Before entering the crescendo, in the phrases before it that is, play at a volume low enough to leave yourself enough room in terms of volume to grow the crescendo . You don't want to max out the piano's capability before you hit that climax.
I am aware of that, but the piece is played almost enterily forte with of course its apropiate dynamics, another problem is that because the segment before this ends with a bass scale from D to G (no blacks keys) that requieres a natural cres. then I have to jump to the start of what I posted around Mf and end in F.
The last thing you need to do in a dynamic crescendo is to short change your notes, make sure they get full value and that you are evenly touching the key bed on all of them..
I don't worry about that so far this being my first piece I learned it since the start at 60 BPM (currently at 180/200 BPM Quarter!) Eigths counting each note as One and Two and Three and Four, repeat. So the timing is not a issue, expression in the other hand...
Now there is a timing thing happening at the same time. Because to increase volume you ramp up velocity of each note striking the strings. So the drop speed increases, the after effect is that you need a slight seemingly sustain on the notes to get to their full value. So it feels as though you are slowing down the release of the notes. If you just rap it out the sound will be all wrong, it gets wispy or thin sounding instead of intense.
I though using the sustain pedal (which I barely learning to properly use) could help me there, but because of how fast this passage is so far I have only dirtied the sound, not even half pedal helps much because the problem is that I need a steady curve from mp to mf, then f to ff and the end is ff to fff -> gliss.
Such control simply eludes me at the moment, I go from mp to mf without much in between to blend it.
Sorry if I express in a confusing matter, english is not my natal language and this matter frustrates me.
Seriously... You're learning the Death Waltz???
Which arrangement???
Marasy's

naturally, is the best and most difficult out there. (IMO)