KARENT presents 初耳 feat. 初音ミク (KARENT presents Hatsumimi feat. Hatsune Miku)

What was the first song of Hatsune Miku you heard?

'KARENT Presents 初耳 feat. 初音ミク (KARENT Presents Hatsumimi feat. Hatsune Miku') is the first of a series of themed compilation albums released KarenT. Featuring the vocals of Hatsune Miku and Megurine Luka, it was released in limited quantities in Japan, China, and Taiwan.