     max_advancing_age_group: nil
   })
 
+  # Add contest categories and demo performances to contests
+
   for rw_contest <- [contest1, contest2, contest3] do
-    _rw_vocal = insert(:contest_category, %{
+    rw_vocal = insert(:contest_category, %{
       contest: rw_contest,
       category: vocal,
       min_age_group: "Ia",

      min_advancing_age_group: "II",
      max_advancing_age_group: "VI"
    })
    _rw_pop_drums = insert(:contest_category, %{
      contest: rw_contest,
      category: pop_drums,
      min_age_group: "Ia",

      min_advancing_age_group: "III",
      max_advancing_age_group: "VII"
    })

    rw_vocal_perf = insert(:performance, contest_category: rw_vocal)
    insert(:appearance, performance: rw_vocal_perf, participant_role: "soloist", instrument: "vocals")
    insert(:appearance, performance: rw_vocal_perf, participant_role: "accompanist", instrument: "piano")

    rw_wind_ens_perf = insert(:performance, contest_category: rw_wind_ens)
    insert(:appearance, performance: rw_wind_ens_perf, participant_role: "ensemblist", instrument: "clarinet")
    insert(:appearance, performance: rw_wind_ens_perf, participant_role: "ensemblist", instrument: "oboe")
    insert(:appearance, performance: rw_wind_ens_perf, participant_role: "ensemblist", instrument: "bassoon")

    rw_pop_drums_perf = insert(:performance, contest_category: rw_pop_drums)
    insert(:appearance, performance: rw_pop_drums_perf, participant_role: "soloist", instrument: "drumset")
    insert(:appearance, performance: rw_pop_drums_perf, participant_role: "accompanist", instrument: "vocals")
    insert(:appearance, performance: rw_pop_drums_perf, participant_role: "accompanist", instrument: "e-guitar")
    insert(:appearance, performance: rw_pop_drums_perf, participant_role: "accompanist", instrument: "saxophone")

    rw_pop_vocal_ens_perf = insert(:performance, contest_category: rw_pop_vocal_ens)
    insert_list(2, :appearance, performance: rw_pop_vocal_ens_perf, participant_role: "ensemblist", instrument: "vocals")
    insert(:appearance, performance: rw_pop_vocal_ens_perf, participant_role: "accompanist", instrument: "e-guitar")
    insert(:appearance, performance: rw_pop_vocal_ens_perf, participant_role: "accompanist", instrument: "e-bass")
    insert(:appearance, performance: rw_pop_vocal_ens_perf, participant_role: "accompanist", instrument: "drumset")
  end
end
