GACKT Official Weibo update. Translation below:

GACKT×東京フィルハーモニー交響楽団「華麗なるクラシックの夕べ」(2014)
08 届カナイ愛ト知ッテイタノニ抑エキレズニ愛シ続ケタ…

This song is 「Todokanai Ai to Shitteita no ni saekirezuni Aishitsuzuketa…」
This song is really hard to sing. But, it felt really good singing it. I actually wanted to sing it with the orchestra as the background.

Click on the image below to see the video:

Source: GACKT WEIBO

Translation: GACKT ITALIA Team

Translation © GACKT ITALIA