The Lord of the Rings books III and IV, and as such the eponymous towers could be either Orthanc and Barad-dûr, or Minas Tirith and Barad-dûr, or Orthanc and Cirith Ungol. Tolkien was initially opposed to titles being given to each two-book volume, preferring instead the use of book titles: e.g. "The Lord of the Rings": Vol. 1, "The Ring Sets Out" and "The Ring Goes South"; Vol. 2, "The Treason of Isengard" and "The Ring Goes East"; Vol. 3, "The War of the Ring" and "The End of the Third Age". However these individual book titles were later scrapped, and after pressure from his
The Lord of the Rings in "Misty Mountain Hop", and Ringwraiths in "The Battle of Evermore". In 1970, the Swedish musician Bo Hansson released an instrumental concept album based on the book titled "Sagan om ringen" (translated as "The Saga of the Ring", which was the title of the Swedish translation of "The Lord of the Rings" at the time). The album was subsequently released internationally as "Music Inspired by Lord of the Rings" in 1972. The songs "Rivendell" and "The Necromancer" by the progressive rock band Rush were inspired by Tolkien. Styx also paid homage to Tolkien on their album "Pieces of Eight" with