A comprehensive 26-CD collection of Procol Harum in MP3-320 format typically represents a "mega-discography" digital set often found on enthusiast or archival platforms. This unofficial or digital-specific compilation covers the band's evolution from 1960s psychedelic/symphonic rock pioneers to their modern era Core Discography (Studio Albums)
(1977) – The final album of their original run. Procol Harum - Discography 26 cds - mp3-320
The core of any complete collection consists of their 12 official studio albums. The Early Years (1967–1971): A comprehensive 26-CD collection of Procol Harum in