There was a moment when a one-of-a-kind personality brightened our streets, parks and squares with his presence – a bard whose lyrical musings came wrapped with musical sounds and a simple message of love for nature, life and one another. His name was Brother Blue.

There are countless lessons to be learned from history, which is why it’s crucial that we tell our story. One day, in some unimaginable setting, many years from now, someone will look back to today. And consciously or not, they’ll be looking to learn from us.

In a look ahead at a week of Cambridge and Somerville events, there’s Space Night at Harvard, a look at the rise and fall of romance comics, the start of a Pete Souza exhibit of photos from the Obama White House, the return of the Empty Bowls charity meal, and plenty of comedy, poetry and music.

In a look ahead at a week of Cambridge and Somerville events, Serena Zabin reveals the family secrets behind the Boston Massacre; the Cambridge Symphony Orchestra tells “Tales of Kings and Queens”; there’s a Mosaic concert; maple syrup boil-down; “Two Truths and a Lie”; and much more.

A look ahead at a week of Cambridge and Somerville events brings the Once in Valhalla 10-course feast, followed Sunday by free chili cook-offs in both cities, as well as an evening with Sutton Foster in Sanders Theatre, the return of “Medusa: Reclaiming the Myth” and much more.

In a look ahead at a week of Cambridge and Somerville events, there’s the dystopian dance musical “iTMRW” and “Das Kapital” play performance, opera with “Aida” and more, and “Somerville Night Live.” It all starts with an MLK flash mob dance on the Monday holiday.

In a look ahead at a week of Cambridge and Somerville events, Passim celebrates The Songs of 1970, the One Night Band and Giving@First 24-Hour Play challenges return, Co-Incidence Fest is heard again and there’s plenty of poetry and comedy coming.

In a look ahead at a week of Cambridge and Somerville events, there are Winter Wonder popup dance performances, New Year’s Eve music and comedy, followed by New Year’s Day comedy with local standups and the Marx Brothers, and much, much more.

In a look ahead at a week of Cambridge and Somerville events, there’s storytelling, poetry and music (including Blue Heron’s new “Baroque Christmas” program), but also plenty of holiday shopping, dance and skating (including a “Chanukah on Ice”).

In a look ahead at a week of Cambridge and Somerville events, there are returning theater events such as “Club Drosselmeyer 1942” and “The Slutcracker,” an ice sculpture stroll, a snow globe workshop and Trashion show, tons of poetry and music, and more.