Longtime purveyors of classic reggae and dub collections, Pressure Sounds’ 50th release focuses not on a particular artist or style but a handful of unknown-and seriously killer-tracks, most followed by equally obscure versions. Many of the 45s featured here have no masters, serving as reminders of a time when dubs were made with little cash and a lot of love. The second 7″ outtake from this batch, Bongo Gene Campbell‘s “Skyjack” and the Bongo Gene All Stars‘ “Skyjack Version,” are reason enough to dig in, as is Uhuru’s soul-stirring “Folk Song.”