Rob Halford and Brad Delp are both what?
Brad Delp Bradley Edward Delp (June 12, 1951 – March 9, 2007) was an American singer and songwriter, best known as the lead vocalist of the rock bands Boston and RTZ.
Frederic M. Halford Frederic Michael Halford (13 April 1844 – 5 March 1914), pseudonym Detached Badger, was a wealthy and influential British angler and fly fishing author. Halford is most noted for his development and promotion of the dry fly technique on English chalk streams. He is generally accepted as "The Father of Modern Dry Fly Fishing." John Waller Hills, "A History of Fly Fishing for Trout" (1921) called Halford "The Historian of the Dry Fly".