I deperately require assistance!

[silvershround]

Oh great masters of the piano, I am but a humble man who seeks your help.
https://www.deathball.net/notpron/finale/mus4.mp3
I wouldn't bother you if I had anyone else to turn to.
This is a musical bit taken from a riddle site. In order to access it, you need to enter the username as "doom" and the password as "murder". It's the answer to a former riddle.
Anyway, to business. I need one of ye great masters of york to recognize the notes being played for me. I suspect their letters create a word which will be the answer to a riddle.
Thank you. 

[jakesulli186]

It's "deaf", you'll thank me later.

[klavieronin]

Umm… a couple of months late but I got; A B E C A B E F