Mark Opsasnick, outside what used to be the Drop Inn, a teen club in Greenbelt, Md. To research his new book, “Rock the Potomac,” Opsasnick scoured old newspapers to get a sense of how and where audiences experienced music. (John Kelly/The Washington Post)ColumnistNot long ago, Greenbelt, Md., writer Mark Opsasnick decided to listen to his entire CD collection in alphabetical order, from beginning to end. For a long time, Mark’s magnum musical opus was “Capitol Rock,” published in 1997 and revised in 2002. “The owners really advanced the scene,” Mark said.

Source: Washington Post March 18, 2019 21:11 UTC