The incident pushed Reznor into entering rehab, putting Nine Inch Nails on hold while he attempted to become sober. In 2002, Johnny Cash covered the Nine Inch Nails' "Hurt" for his album, American IV: The Man Comes Around, to critical acclaim. After seeing the music video, which later won a Grammy, Reznor himself became a fan of the rendition: I pop the video in, and wow ... Tears welling, silence, goose-bumps ... Wow. [I felt like] I just lost my girlfriend, because that song isn't mine anymore ... It really made me think about how powerful music is as a medium and art form. I wrote some words and music in my bedroom as a way of staying sane, about a bleak and desperate place I was in, totally isolated and alone. [Somehow] that winds up reinterpreted by a music legend from a radically different era/genre and still retains sincerity and meaning—different, but every bit as pure. With Teeth (2004–2006) A further six years elapsed before Nine Inch Nails' fourth full-length album. With Teeth was released in May 2005, though it was leaked prior to its official release date. The album was written and recorded throughout 2004 following Reznor's battle with alcoholism and substance abuse and legal issues with his former manager, John Malm Jr. With Teeth debuted on top of the Billboard 200, Nine Inch Nails' second reign at number one with an album. The album's package lacks typical liner notes; instead it simply lists the names of songs and co-producers, and the URL for an online PDF poster with lyrics and full credits. The entire album was made available in streaming audio on the band's official MySpace page in advance of its release date. Critical reception of the album was mostly positive: Rolling Stone's Rob Sheffield described the album as "vintage Nine Inch Nails". PopMatters condemned the album, claiming Reznor "ran out of ideas." A music video for the song "The Hand That Feeds" premiered on the Nine Inch Nails official website in March 2005. Reznor released the source files for it in GarageBand format a month later, allowing fans to remix the song. He similarly released files for the album's second single "Only" in a wider range of formats, including Pro Tools and ACID Pro. David Fincher directed a video for "Only" with primarily computer-generated imagery. The planned music video for its third single, "Every Day Is