was more critical of the album, stating "Foo Fighters completely demystify their own creative process, effectively turning the Sonic Highways project into a glorified homework assignment—educational, perhaps, but laboriously procedural." Commercial performance The album debuted at number two on the Billboard 200, with sales of 190,000 copies in the United States. As of September 2015, it has sold 490,000 copies in the US. Track listing Personnel Credits adapted from the album's liner notes. Band Dave Grohl – lead and backing vocals, rhythm guitar, acoustic guitar, cymbals, EBow on "Subterranean", producer Pat Smear – rhythm guitar, lead guitar, producer Nate Mendel – bass guitar, producer Taylor Hawkins – drums, backing vocals, producer Chris Shiflett – lead guitar, "devil pickin on "Congregation", backing vocals on "In the Clear", producer Additional musicians Mark Braud – trumpet on "In the Clear" Zac Brown – "devil pickin and backing vocals on "Congregation" Gary Clark, Jr. – lead guitar on "What Did I Do?/God as My Witness" Charlie Gabriel – clarinet on "In the Clear" Ben Gibbard – backing vocals on "Subterranean" Chris Goss – backing vocals on "Outside" Drew Hester – percussion on "Congregation"; tambourine on "What Did I Do?/God as My Witness" and "I Am a River" Ben Jaffe – tuba on "In the Clear" Rami Jaffee – clavinet; organ; mellotron; piano; Wurlitzer electric piano; backing vocals on "In the Clear"; "space keys" on "I Am a River" Ronell Johnson – tuba and backing vocals on "In the Clear" Barrett Jones – EBow on "Subterranean" Freddie Lonzo – trombone on "In the Clear" Los Angeles Youth Orchestra – strings on "I Am a River" Clint Maedgen – saxophone and backing vocals on "In the Clear" Rick Nielsen – baritone guitar on "Something From Nothing" Jim Rota – backing vocals on "In the Clear" Peter Stahl – backing vocals on "The Feast and the Famine" Skeeter Thompson – backing vocals on "The Feast and the Famine" Tony Visconti – string arrangement on "I Am a River" Joe Walsh – lead guitar on "Outside" Kristeen Young – backing vocals on "I Am a River" Production Justin Armstrong – studio assistance (Robert Lang Studios) Brandon Bell – studio assistance (Southern Ground Studios) Charlie Bolois – studio assistance (Studio 6A, Rancho De La Luna, and Preservation Hall) Dakota Bowman – studio assistance (Atomic Sound) James Brown – recording engineer, mixing engineer Reuben Cohen – mastering Marcel Fernandez –