Acclaimed Music - In the Court of the Crimson King
King Crimson
In the Court of the Crimson King

Best of All-time Lists, Best of Decade Lists, etc.
Bruce Pollock (USA) - The 7,500 Most Important Songs of 1944-2000 (2005) No Order
Rock and Roll Hall of Fame (USA)- The Songs That Shaped Rock (Additions 2011) No Order
Les Inrockuptibles (France) - 1000 Indispensable Songs (2006) No Order