Nepeta's favourite Vocaloid song is The Lost One's Weeping (above)
Davesprite's favourite is The Disappearance of Hatsune Miku
Vriska's favourite is Okaasan by Hatsune Miku
Aradia's favourite is Two-Faced Lovers
Jade's favourite is Rolling Girl
Eridan's favourite is Bad Apple, he even made a cover of it with Nepeta!
If you love vocaloid and anime,
please subscribe to the amazing youtuber AkiDearest! Her channel is amazing! In fact, I found out most of the songs here from her channel