In the closing weeks of 1969, Merle Haggard took “Okie From Muskogee” to No. Which explains how, last week, Aldean’s “Try That in a Small Town” was momentarily outgunned on the Hot 100 by “Seven” by Jungkook, an erstwhile member of the on-hiatus South Korean juggernaut BTS. Not on the Hot 100—the song “Justice for All,” credited to “Donald Trump …
