Richard Barbieri is an English musician, composer and sound designer. Originally a member of new wave band Japan, more recently he is known as the keyboard player in the progressive rock band Porcupine Tree, which he joined in 1993. Aside from the founder Steven Wilson, he is the longest tenured member of Porcupine Tree.

Andonis Michaelides, better known as Mick Karn, was an English-Cypriot musician and songwriter who rose to fame as the bassist for the art rock/new wave band Japan. His distinctive fretless bass guitar sound and melodic playing style were a trademark of the band's sound.