Bottleneck resonator guitar G tuning.
Memory of Johnny Cash

“Hurt” is a song by American industrial rock band Nine Inch Nails from their second studio album, The Downward Spiral (1994), written by band leader Trent Reznor.
In 2003, “Hurt” was covered by Johnny Cash to commercial and critical acclaim; it was one of Cash’s final hits released before his death, and the related music video is considered one of the greatest of all time by publications such as NME. Reznor praised Cash’s interpretation of the song for its “sincerity and meaning”, going as far as to say “that song isn’t mine anymore