Below is a listing of all the pieces in the Instructional Realms which are in an unusual slack-key tuning. This includes Variant C Major tuning, G 6th tuning, and Gabby’s Hiʻilawe tuning. Intermediate RealmINT-01: Hiʻilawe Advanced RealmADV-07: Liʻi’s SongADV-09: Winter Tide BEG-11: A Brief History of Slack Key GuitarINT-16: Hula Nā LāʻauINT-01: HiʻilaweBEG-10: Keola's C Wahine Tuning Up For The First TimeINT-20: Puka PantsMoe ‘Uhane Kika - Tales From The Dream Guitar CDNews Archive 2018INT-19: Kepania Paniolo (Spanish Cowboy)