an Entity references as follows:
Christine Lavin (born January 2, 1952) is a New York City-based singer-songwriter and promoter of contemporary folk music. She has recorded numerous solo albums, and has also recorded with other female folk artists under the name Four Bitchin' Babes. She is known for her sense of humor, which is expressed in both her music and her onstage performances. Many of her songs alternate between comedy and emotional reflections on romance. She is a lifelong astrophysics hobbyist and has included those themes in her music.