Original: 4 20 Sheet Music by Crosby, Stills, Nash & Young. Crosby, Stills, Nash & Young. Stephen Arthur Stills. Sony. English. Solero.
Traducció: Abril 20 Partitures per Crosby, Stills, Nash. Stephen Stills Arthur. Crosby, Stills, Nash. ATV Music Publishing. Anglès. Pla. Vocal.