5 hours of math...ugh...
but anyway, your piece...i thought you did a good job varying your wavy theme and found new and different ways to manipulate its content to keep it interesting. i loved the use of the timpani, it make me think of a storm. it seems like the marimba is now a staple in your work, which i rather enjoyed

it also sounded very pentatonic to me (correct?) which was a good flavor you tacked on to make it even more envigorating. nice work Ron!
vince