The new anime takt op. Destiny has had its opening and ending songs revealed. According to reports, the opening is titled "takt" by singer ryo (supercell) feat. mafumafu, gaku and the ending is called "SYMPHONIA" by singer Mika Nakashima.
Additionally, we have a new promotional image for the anime:

Yuuki Itoh is directing the anime at MAPPA and MADHOUSE , Reiko Nagasawa is designing the characters, and the series composition is by Kiyoko Yoshimura .
Synopsis:
The story will feature female characters who incorporate musical compositions to invoke their special powers. Each girl will have unique abilities to captivate the audience. Furthermore, the "Musicart" will be a true inspiration for classical music lovers.
Finally, the anime Takt op. Destiny premieres on October 5, 2021 in Japan.
Source: X (Twitter)