Who Is Nightbirde on 'AGT' 2021 Jane Marczewski on Cancer Nightbirde is an angelic vocalist whose talent glows in her most recent song, "It's OK." Her lyrical prowess and spellbinding voice create an unforgettable tune that tugs at the heart. Nightbirde's empowering lyrics search to promote a message of positivity and resilience, reminding us that everything will be fine in the end. So let Nightbirde's beautiful ballad be a source of reassurance and strength as we traverse the ups and downs of life.