Our concert picks for the week of 4/14-4/20. Even a slow week in San Francisco presents discerning music fans with many good choices. Tonight Popscene invites fans of the Doves and Snow Patrol to check out music by Longview. Waifish British boys singing wistfully over jangly guitars -- now that's cutting edge! After an eight year hiatus, The Wedding Present returns with a new record entitled Take Fountain. Catch this rare opportunity to see them......