Jelasin soal Ark (album L'Arc-en-Ciel) dong

Ark adalah album keenam yang dirilis oleh L'Arc-en-Ciel pada tanggal 1 Juli 1999, secara simultan dengan Ray.

ken – gitar, keyboards di tracks 1, 4, 5, 9 dan 10, tambourine di tracks 2, 5 and 10, "Hong Kong handclaps" di track 5

tetsu – bass, backing vocals, keyboards on tracks 5, 8 and 11, metal percussion and "Hong Kong handclaps" on track 5

yukihiro – drum, keyboards dan turn table di track 4, "Hong Kong handclaps" di track 5

Hajime Okano – keyboards di tracks 1, 2, 3, 4, 8, 9, 10 dan 11, chromaharp di track 10

Hitoshi Saitou – piano on track 9

Yukarie – tenor sax di track 2

Smily – baritone sax di track 2

Akatsuki Tada – trumpet di track 2

Naoki Hirata – trumpet di track 2

Eishi Yoshizawa – organ dan keyboards di track 3

Chieko Kanehara – strings di track 7

Keiko Abe – strings di track 11