Listen to Crimson II, Purgatory Afterglow, and the short but sweet Until Eternity Ends EP... they're all brilliant too in my opinion.
Swano is a great one to binge on because he's done so many different things
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I know you're a fan of the Nightingale stuff, and his solo album, and Witherscape too (I think?) ... you might enjoy Pan.Thy.Monium if you haven't already listened, kind of pogressive/avant-garde "death metal" ... Dawn of Dreams and Dream II stand out for me.
Such a talented guy. He's had his fingers in a few of my all time favourite records, namely Dissection's first two and Diabolical Masquerade's Nightwork - which is kind of a masterpiece... but he's been involved in too many GREAT albums to even list...
I mean I could list them... but
RANT, OVER.