Watch VoirFilms. Recorded at the Philadelphia Spectrum in 1974 for PBS Soundstage, English guitarist/songwriter Dave Mason shows why he's considered to be a true master of his craft. A founding member of Traffic and a collaborator with Jimi Hendrix and others, Dave Mason's music has entertained audiences worldwide for over 50 years. Highlights: "Takin' the Time to Find," "Let It Go, Let It Flow," "All Along the Watchtower," "Feelin' Alright" and more.