Leaving for no reason or for a reason

I follow many upcoming singers. One such singer was a part of a collective band. And after this singer's solo song reels went viral, this singer decided to leave the band. Many months later, she addressed it indirectly, saying that she's no more a part of this band. The singer is Sunidhi Ganesh. She's a good singer. She's done a few songs for movies too. Now it seems that the band was not happy about her leaving. But she wanted…