Cynthia Biggs El, professionally known as Cynthia Biggs, is an American songwriter, producer, publisher and vocalist who wrote music and lyrics for the Philadelphia International Records label. Her main collaborations were with composers Dexter Wansel, Bruce Hawes, and Theodore Wortham. Cynthia has more than 350 songwriting credits including Patti LaBelle's 1983 single If Only You Knew, which reached number 1 on Billboard magazine's Top 100 R&B Singles chart for four consecutive weeks in January 1984.