Games Progress
Drakengard: I managed to obtain the last weapon, Treasure Builder. Guardian's Sorrow pulled through for me once again along with Arioch's magic spells, allowing me to plow through several waves of enemies.
Weapons Total: 65/65 (ALL WEAPONS OBTAINED!)

With all weapons collected, the time had come to face the greatest battle the game has to offer. It's... actually well designed. The fight eases you into it's unique mechanics and gradually ramps up the difficulty, with only two seconds being incredibly difficult. So far, the one part that I'm stuck on is the last bit where the Queen Grotesquerie starts firing a rapid fire series of waves in a row once the timer gets to around the 20 second mark. I also like the small detail of the player's HP constantly draining during the battle with the HP bar increasing whenever you successfully counter a note from your opponent.

Games Progress
Drakengard: And yet more attempts. I'm getting better, and while there still are some slip ups, I can least remember most of the notes sent out by the Mother Grotesquerie. I'm at least improving in terms of memorizing the later notes, especially the beginning ones for Wave 9, which I'm still stuck on.

Games Progress
Drakengard: New verse, same as the first. I'm still stuck at the part where theres only around 20 seconds left because of how merciless it is. In every other part of the battle, you could at least recover in time to hit the notes (though your internal rhythm would suffer because the whole thing just feels off) and this is true even during the first barrage of multiple notes around 40 seconds in. Not for this one.

Most of my failed attempts at this wave boil down to: Black, White, Black, Bl- Game Over or Black, White, Black x2, try to do the next few notes and hit the Game Over screen or Black, White, Black x2, White, Black, White, Black, White, White, Black, White, Black, Bl- Game Over. Aside from that, the only real certainty is that the entire 49 note sequence ends with 2 white notes and that the final wave is a single black note.

Games Progress
Drakengard: I'm getting better, and while I'm not quite done, I suppose where I'm at in regards to the final wave could be summed up as:
Black, White, Black x2, White, Black, White, Black, White, Black, White, Black x2, White, Black x2, White, Black, White, Black, White, Black, White x3 - Game Over
or 
Black, White, Black x2, White, Black, White, Black, White, Black, White, Black x2, White, Black x2, White, Black, White, Black, White, Black, White x3, Black x3 - Game Over

Either way, I'm getting there, even if it's hard getting through that 49 note combo during the last 20 or so seconds.

Games Progress
Drakengard: More attempts on a hot day. Ended up rewriting the paper containing the notes twice. The second version was scrapped because it turns out I wrote the notes for the penultimate wave wrong. I also remarked to myself how I could be so dense after realizing that the first two versions had me write out Wave 4's notes out twice, meaning that The Greatest Battle only has 9 waves instead of 10.

On the other hand, my third draft should be completely accurate, with Wave 8's 49 notes being simplified on paper so I can hopefully get past it at long last. It even has the exact time that each wave starts, making things somewhat easier for me. It's only a matter now of practicing and memorizing the notes for Wave 8 (formerly Wave 9).

Games Progress
Drakengard: I might be reaching the end after all. While it is difficult for me to button mash during the 49 notes during Wave 8, it's merely a matter of memorization and reaction time. I will defeat the Queen Grotesquerie eventually, it's just a matter of time.

I have faith that you will eventually pull through and show the horrendous thing that you are not one to give up easily.

Thankfully. It's going to take several more dozen attempts, but if all goes well, I will eventually win the power of song and get shot down by a missile for my troubles.