Personnel

• David Crosby
  David Crosby
  David Van Cortlandt Crosby is an American guitarist, singer, and songwriter. In addition to his solo career, he was a founding member of three bands: The Byrds, Crosby, Stills & Nash , and CPR...
  
   - vocals, guitar
• Stephen Stills
  Stephen Stills
  Stephen Arthur Stills is an American guitarist and singer/songwriter best known for his work with Buffalo Springfield and Crosby, Stills & Nash . He has performed on a professional level in several other bands as well as maintaining a solo career at the same time...
  
   - vocals, bass, guitar, organ, piano, percussion
• Graham Nash
  Graham Nash
  Graham William Nash, OBE is an English singer-songwriter known for his light tenor vocals and for his songwriting contributions with the British pop group The Hollies, and with the folk-rock band Crosby, Stills, Nash & Young. Nash is a photography collector and a published photographer...
  
   - vocals, guitar, organ, piano
• Neil Young
  Neil Young
  Neil Percival Young, OC, OM is a Canadian singer-songwriter who is widely regarded as one of the most influential musicians of his generation...
  
   - vocals, guitar, harmonica, piano

Additional personnel

• Dallas Taylor
  Dallas Taylor (drummer)
  Dallas Woodrow Taylor Jr. was born in Denver, Colorado, 7 April 1948. He is a session drummer who has played on several rock records of the 1960s and 1970s...
  
   - drums
• Greg Reeves
  Greg Reeves
  Greg Reeves is an American musician. He is best known for playing bass on Crosby, Stills, Nash & Young's Déjà Vu album in 1969.-Biography and career:...
  
   - bass on "Deja Vu", "Woodstock", "Helpless"
• John Sebastian
  John Sebastian
  John Benson Sebastian Jr. is an American singer, songwriter, guitarist and autoharpist. He is best known as a founder of The Lovin' Spoonful, a band inducted into the Rock and Roll Hall of Fame in 2000...
  
   - harmonica on "Deja Vu"
• Jerry Garcia
  Jerry Garcia
  Jerome John "Jerry" Garcia was an American musician best known for his lead guitar work, singing and songwriting with the band the Grateful Dead...
  
   - pedal steel guitar on "Teach Your Children"
• Johnny Barbata
  John Barbata
  John Barbata is an American drummer, born in Passaic, New Jersey, active especially in pop and pop/rock bands in the 1960s and 1970s, both as a band member and as a session drummer.-Biography:...
  
  - drums on "Ohio"
• Calvin Samuels - bass on "Ohio"