Madlen Keys’ ‘Event Horizon’ is a very modern French progressive (for want of a better term) rock album, infused with pop sensitivities.

Let’s take one more warped spin through ‘Back to the Bars,’ an album Todd Rundgren released 45 years ago that still feels brand new.

A conceptual album that draws on many influences, ‘Reaching In’ demonstrates James McGowan’s skill at looking beyond genre definitions.

Released 50 years ago this week, Emerson Lake and Palmer’s ‘Brain Salad Surgery’ featured a cover image by the then largely unknown H.R. Giger.

By erasing lines of distinction between immediate and contemplated, natural and processed, Joseph Branciforte and Theo Bleckmann crafted something that’s truly novel, yet truly inviting with ‘LP2.’

‘Life Love and Hope’ arrived 10 years ago this week with what appears to be Boston’s last studio recordings featuring late frontman Brad Delp.

How a ’50s-era recording of Charlie Parker and Dizzy Gillespie helped pave the way for updated songs like the Beatles’ “Now and Then.”

Two brilliant live LPs from Kevin Coyne, an idiosyncratic artist who defied the ’70s ethos of prog fantasy, hard-rock machoism, and folky sentimentalism.

Drummer extraordinaire Jeff Cosgrove joins Noah Preminger and Kim Cass for an inspired sax/bass/drums performance, ‘Confusing Motion for Progress.’

King Crimson’s David Cross returns with ‘Ice Blue, Silver Sky,’ a modern prog-rock album of turbulence and minute intensity.