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Asaf Sirkis Letters: A New Solo Piano Album from the Soft Machine Drummer

19 October 2026 ·1 min read

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Love the rabbit-holes? There’s a whole bookshelf.

I’m Marcus Stone. I write Prog Atlas, and I wrote the Beyond the Sound books. The site maps the music band by band; my books tell each scene’s story in full, one volume at a time, and my Portraits follow one band each.

Browse the books ↓ More about the series

The book series

The Beyond the Sound books

Five volumes, one per scene, telling the story of progressive rock in full. I wrote them all.

Beyond the Alps, my book on Italian progressive rock (RPI)
Beyond the Alps Vol. 1 · Italian prog: PFM, Banco, Le Orme, Area. Second edition, revised. Inside the book →Amazon →
Beyond the Thames, my book on British progressive rock
Beyond the Thames Vol. 2 · British prog: King Crimson, Yes, Genesis, ELP. Inside the book →Amazon →
Beyond the Rhine, my book on German progressive rock and Krautrock
Beyond the Rhine Vol. 3 · Krautrock & German prog: Can, Neu!, Faust, Tangerine Dream, Kraftwerk. Out 15 October 2026. Inside the book →Amazon →
Beyond the Atlantic, my book on American progressive rock
Beyond the Atlantic Vol. 4 · American prog: arrived later, sold in larger numbers, received very differently. In preparation. Inside the book →Amazon →
Beyond the Decades, my book on modern progressive rock
Beyond the Decades Vol. 5 · From 1980 onward: the neo-progressive revival and what came after it. In preparation. Inside the book →Amazon →

The complete series

Every volume in one place — follow progressive rock from scene to scene.

About the series See the series on Amazon →

Beyond the Sound: Portraits

One band, one book — my single-band studies of progressive rock.

About the Portraits See the Portraits on Amazon →

As an Amazon Associate I earn from qualifying purchases. I also wrote these books, so I earn royalties when you buy one. The Amazon links on this site are affiliate links, at no extra cost to you. Read the full affiliate disclosure.

Prog Atlas

A guide to progressive rock by scene, by band, album by album. I’m Marcus Stone, and I wrote the Beyond the Sound series.

The Books

  • All five books
  • Beyond the Alps
  • Beyond the Thames
  • Beyond the Rhine
  • Beyond the Atlantic
  • Beyond the Decades

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  • Gentle Giant
  • Supertramp
  • The Pineapple Thief
  • Riverside
  • Opeth

Musicians

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  • Bassists
  • Guitarists
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  • Singers
  • Drummers
  • Violin, Flute & Horns

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Scenes

All bands A–Z →

Core scenes

  • British
  • Italian (RPI)
  • German / Krautrock
  • American
  • Modern
  • Canterbury
  • Neo-Prog
  • Symphonic

Roots & fusions

  • Psychedelic & Space Rock
  • Progressive Folk
  • Jazz Rock & Fusion
  • Indo-Prog & Raga Rock
  • Progressive Electronic
  • Crossover Prog
  • Eclectic Prog

Heavy & experimental

  • Heavy Prog
  • Progressive Metal
  • Tech & Extreme Prog Metal
  • Experimental & Post-Metal
  • Post-Rock & Math Rock
  • RIO & Avant-Prog
  • Zeuhl

© 2026 Prog Atlas · Marcus Stone.