As I promised, you can download here the solutions of the exercise 34 and exercise 40. I'm sorry for the delay, but my scanner had given up the will to live :P
Ex. 30, 81, 82, 83, 84 & 85 Solutions: Here!
Ex. 78 & 24: Here!
I will not upload a song since Andres has delighted us with his new remix :D Enjoy!