One of the most touching solos I've ever heard came from Mike Oldfield on Robert Wyatt's song "[NOBABE]Little Red Robin Hood Hit The Road[/NOBABE]" at 0:26:
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Robert Fripp's solo on King Crimson's "Night Watch" at 2:47 - arguably the best solo I've ever heard:
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... or the break-out he does at 7:39 on "Fracture":
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... or the instrumental refrain in spots like at 0:45 on Eno's "Blank Frank":
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