In the realm of progressive rock, the greatness is a vast as the creativity and complexity that goes into the music. Here is our list of the 25 most notable progressive rock albums ever recorded.

Bruce Springsteen just released seven albums' worth of previously unreleased material. The collection is called "Tracks II: The Lost Albums," a sequel to the first "Tracks" anthology from 1998.

This is FRESH AIR. Bruce Springsteen just released seven albums' worth of previously unreleased material. The collection is called "Tracks II: The Lost Albums," a sequel to the first "Tracks ...

This is FRESH AIR. Bruce Springsteen just released seven albums' worth of previously unreleased material. The collection is called "Tracks II: The Lost Albums," a sequel to the first "Tracks" ...

At its best, this capacious grab-bag of 83 songs, some dating back to the 1980s, yields not just good music, but songs that seem unlike anything else Springsteen has ever done. Ken Tucker reviews rock ...

Ken Tucker reviews rock, country, hip-hop and pop music for Fresh Air. He is a cultural critic who has been the editor-at-large at Entertainment Weekly, and a film critic for New York Magazine.

Three Queen albums, Greatest Hits, The Platinum Collection, and the Bohemian Rhapsody soundtrack, are charting in the U.K., and two return this week.