SIGNED by the author
(also includes copy of letter from author.)

Overview
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"Yes, But What Does It Mean? (Exploring the Music of YES)" by Thomas J. Mosbo, published in 1994, is a dedicated fan-scholarly analysis of the progressive rock band Yes.

Spanning 342 pages, the book delves deeply into the band's intricate lyrics, thematic elements, and musical structures, making it a valuable resource for enthusiasts seeking to unpack the often esoteric and philosophical content of Yes's work.

Mosbo, a self-described admirer of the band (particularly highlighting Tales from Topographic Oceans as their masterpiece), approaches the material with enthusiasm and accessibility, assuming no prior music education from readers.

Key Content and Structure
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Lyrics Analysis:
The core of the book is an extensive, song-by-song examination of Yes's discography, including related solo projects by band members. Mosbo explores potential meanings behind the poetic, spiritual, and mystical lyrics—often penned by Jon Anderson—offering "educated guesses" rather than definitive interpretations. Themes like ecology, spirituality, human connection, and cosmic exploration are recurring focuses, with discussions on how lyrics evolve across albums like Fragile, Close to the Edge, and Tales from Topographic Oceans.

Musical Themes:
Beyond words, the book includes a 22-page appendix on musical forms and motifs, breaking down complex compositions (e.g., recurring themes in epic tracks). It covers elements like time signatures, instrumentation, and how musical structures mirror lyrical narratives, enlightening readers unfamiliar with music theory.

Appendices and Extras:
Additional sections provide discographies, tour insights, and comparative notes on solo works, emphasizing Yes's evolution from the 1970s through the early 1990s.