My wife (30 years of married ) like some moments of prog as for instance : YES - "Wonderous Stories", "The Remenbering", "Leaves of Green". King Crimson " I Talk to the Wind ", EL&P "...Still... You Turn Me On " , "Jerusalem", "Ces't la Vie" , Genesis "Ripples" etc...But she is not a fan .
Some of my classics:
YES- The Yes Album., Fragile, Close to the edge, Tales, Relayer, Going for the One ( not in order)
GENESIS - Foxtrot , Nursery Crime , Seling England...
EL & P - Tarkus, TrIlogy, Brain Sallas
Gentle Giant - Acquiring the taste, Three Friends, In A Glass House, Freehand , Missing Piece
Camel- Mirage, The Snow Goose, Moonmadness, Nude
Jethro Tull- Stand Up , Bennefit, Aqualung, Thick as a Brick. Songs from the wood
Rush- 2112, A Farewell to kings, Hemispheres, Permanent Waves, Moving Pictures
Birthcontrol- Backdoor Possibilities
Led Zeppelin - II , III , IV, Presence
Anyone's Daughter - Adonis, In Blau
Eloy - Ocean, Colours, Silent Cries...
PFM - Storia di un minuto, The world became the world
Greenslade- Same, Spyglass Guest, Besides the Manners are Extra
Le Orme - Collage, Contrapunto
King Crimson- In a Court... , Lark ..., Starless
Pink Floyd- Meddle, Wish you are Here, Dark Side
Etho's- Open Up
Return to Forever - Romantic Warrior, Hynm of Seventh Galaxy
Strawbs - Grave new world, Bursting at seams,