The user is asking about a new “experimental video” for the Xabungle anime, featuring an IDOLM@STER song, set to be released this Fall.

Based on the search results, here’s what I found:

• Bandai Namco Filmworks announced “BLUE GALE XABUNGLE SIDE R,” a new “experimental video” by Sunrise Robot Laboratory based on the 1982 anime Blue Gale Xabungle, will be released this fall.
• This video is a follow-up to “BLUE GALE XABUNGLE SIDE L,” which started streaming on May 14.
• The idol unit Hōkago Climax Girls from The IDOLM@STER Shiny Colors game will contribute a new song specifically created for “BLUE GALE XABUNGLE SIDE R” to “reinterpret” the original anime.
• The “experimental videos” from Sunrise Robot Laboratory aim to use current direction and technology to offer new interpretations and arrangements of classic mecha anime, often combining old and newly produced footage.
• The first “experimental video” from Sunrise Robot Laboratory was “AURA BATTLER DUNBINE SIDE L,” which started streaming in May 2024, followed by “AURA BATTLER DUNBINE SIDE R” in November 2024.

The information is comprehensive enough to answer the user’s request.