The 'Sancastle Disco' singer, who is the younger sister of Beyoncé, contributed a track to the US rock group's upcoming new album.
According to reports, the five-piece also expressed their desire to work with Beyoncé after she was introduced to them by Solange.
Meanwhile, the band's singer Kevin Barnes revealed that the album will either be called False Priest or The Controller Sphere and is scheduled for release in late summer.
He added that the record would trail a funkier sound, telling Gigwise: "We're going to try to do something closer to the kind of bands that Curtis Mayfield or Stevie Wonder had in the '70s."
R&B star Janelle Monae also features on the album.
Last November, Solange confirmed that she had parted ways with record label Interscope to pursue a "more independent platform" to release her music.