— Shannon Forbes recalls… were actually inspired by the screenplay. Page 332, McDonough, Jimmy, ‘Shakey: Neil Young's Biography’ (Vintage, 2003)

— Young biographer Jimmy McDonough…without overdubbed vocals and the first to feature a 17-year-old Nils Lofgren. Page 332, McDonough, Jimmy, ‘Shakey: Neil Young's Biography’ (Vintage, 2003)

— Over the course of several days…handful of sessions between January and March 1969. Page 297-299, McDonough, Jimmy, ‘Shakey: Neil Young's Biography’ (Vintage, 2003)

— ‘That whole album was like catching the group… until we heard the album.’ Page 298, McDonough, Jimmy, ‘Shakey: Neil Young's Biography’ (Vintage, 2003)

— ‘Every musician has one guy on the planet… guy was Danny Whitten.’ Page 398, McDonough, Jimmy, ‘Shakey: Neil Young's Biography’ (Vintage, 2003)

— The recording sessions for…screwed up that we could easily just fall on our faces. … We were wide open … just wide open ….’. Page, 411, 413, 431-432, 738, McDonough, Jimmy, ‘Shakey: Neil Young's Biography’ (Vintage, 2003)

— The penultimate song… being ‘underwater without bubbles’. Page 204, Young, Neil, ‘Waging Heavy Peace: A Hippie Dream’ (Viking 2012)