Of the two rock bands, Okkervil River or Hüsker Dü, which began as a trio made up of Shef and friends?
Hüsker Dü: Hüsker Dü was an American rock band formed in Saint Paul, Minnesota, in 1979. Okkervil River: Okkervil River is an American rock band led by singer-songwriter Will Sheff. Okkervil River:  They began as a trio made up of Sheff and friends he had met in his native state of New Hampshire but, over time, have gone through many lineups.
Okkervil River