Please answer the following question: Information: - Brett Stuart Hudson ( born January 18 , 1953 ) , is an American musician and singer - songwriter , possibly best known as the youngest of the 1970s group the Hudson Brothers , is now a TV producer and writer . - Portland is a seaport and the largest city in the U.S. state of Oregon and the seat of Multnomah County. It is in the Willamette Valley region of the Pacific Northwest, at the confluence of the Willamette and Columbia Rivers. The city covers and had an estimated population of 632,309 in 2015, making it the 26th most populous city in the United States. Approximately 2,389,228 people live in the Portland metropolitan statistical area (MSA), the 23rd most populous MSA in the United States. Its Combined Statistical Area (CSA) ranks 17th with a population of 3,022,178. Roughly 60% of Oregon's population resides within the Portland metropolitan area. - The Hudson Brothers is an American music group formed in Portland, Oregon in the 1970s and consisting of Bill Hudson, Brett Hudson and Mark Hudson. Their popular songs have included "So You Are a Star" (1974), "Rendezvous" (1975), "Lonely School Year" (1975), and "Help Wanted" (1976). What entity does 'brett hudson' has the relation 'place of birth' with?
A:
portland