Regina Spektor, who wrote and performs the theme of Netflix's "Orange Is the New Black," has welcomed a son with her singer-songwriter husband, Jack Dishel, Newsday's Frank Lovece reports. "I wanted to let you know that Jack and I have been happily hanging out with our new little son and that all is going great!" she posted on Facebook, without revealing a name or a birth date. "As you may have noticed, we're pretty private so we won't be posting any pictures or updates about him . . . but we can report that he's super CUTE!!!"