In case somebody doesn't know them, vocaloids are 'singing programs'-if you write the notes and type in lyrics for the notes in 'vocaloid editor', you can get voices to sing them. One voice stands for one vocaloid character.
-I suggest:
MELT by Miku Hatsune
Koi wa Sensou by Miku Hatsune
Yume wa Miru Kotori by Gackpo Kamui & Rin Kagamine
World is Mine by Rin Kagamine & Ren Kagamine
Hitomi tojime by Kaito
(..and some others, but I can't recall the titles )
..And...
Rin Kagamine & Ren Kagamine singing 'Nowhere'
-I suggest:
MELT by Miku Hatsune
Koi wa Sensou by Miku Hatsune
Yume wa Miru Kotori by Gackpo Kamui & Rin Kagamine
World is Mine by Rin Kagamine & Ren Kagamine
Hitomi tojime by Kaito
(..and some others, but I can't recall the titles )
..And...
Rin Kagamine & Ren Kagamine singing 'Nowhere'