XI has been played on NTS in shows including FOLD, featured first on 25 June 2014. Songs played include II, Beat Session and MANIA 16 (E-Gzr Mellow Mix).

There are multiple artists called XI:

1) Xi is the name of a doujin artist from the circle AQUAELIE that makes metal arranges of touhou music.

2) xi (Yusuke Ishiwata) is a Japanese music producer known for his BEMANI Simulation Files (BMS) and for his appearances in Rayark Games' rhythm series Cytus, which made him quite popular. He has been a member of the 100sec Records label until March 31st, 2014 and often appears in Diverse System compilations.

3) Xi…