find the key changes in mozart's symphony in g minor no. 40 k 550

from reading a little of bernstein’s ‘the unanswered question’ i know the key changes three times in the first movement: once into bA, once into #F minor, and then back to g minor. i want to find those three changes.

first i need to figure out what key the clairenette and coronets are in. either i can ask joel at www.christianity.com or i can use anvil to do that.

i think the first change is on page 6.