Nicely done! I think there were a few sequences where the audio could have been timed better. I feel as though you should be able to block up until the last moment a strike hits you. In addition, a few battles, like the crazy sister one, I sometimes would block successfully (hear the ping sound) and still die.
I have a few tips for people getting started and struggling.
First and most obvious, wear earphones, and to orient yourself to face your enemy turn in the direction in which the sound is the loudest.
Second, use block and strike often. Right before the enemy strikes, block, then strike a moment later. I find the best key setup is to use the left hand to move and block, and right hand to strike (use wasd and arrow keys together)
Third, it "seems" some enemies require consecutive strikes/blocks to kill. Find out the right combination.
Close your eyes and have fun!