Those who are devoted to the style of music known as progressive. These people are so devoted to this style of music they sometimes emblazon their clothing with the emblems of their favorite bands. (Pink Floyd, Dream Theater, Yes, etc)
George is such a prog-head he sewed the Dark Side of the Moon Prism on his converse! and Matt drew the dream theater emblem on his pants!
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)