In a look ahead at a week of Cambridge and Somerville events, there are vintage markets, dance parties, a horror-themed supper club, adult dress-up Legos party, a one-night-only “Namaslay” puppet musical and a “waterfall” dance workshop for everyone.

In a look ahead at a week of Cambridge and Somerville events, the Cambridge Jazz Festival and Feet Keep the Beat Festival arrive, the Bridgeside Cypher returns and there’s roller disco, a horror-writing workshop, search for butterflies and dragonflies and much more.

In a look ahead at a week of Cambridge and Somerville events, there’s AfroVybe and Bastille Day festivals, pupusa making, herbal tea blending and free cookies with music, poetry, music and a third annual Bollywood night at Starlight Square.

In a look ahead at a week of Cambridge and Somerville events, we go from Artbeat in Davis Square to AfroVybe in Union Square with pauses for kayaking on the Charles, a reading from Colson Whitehead, a Barbie drag show, a Women of the World music and dance showcase and much more.

In a look ahead at a week of Cambridge and Somerville events, there’s a Nature in the City Festival, Italian Bel Canto Opera concert and Summer Boston Celtic Music Fest, “Beach Too Sandy, Water Too Wet” podcast recording, silent headphone party and more.

In a look ahead at a week of Cambridge and Somerville events, there’s the City Dance Party, a Sci-Fi Aerial Cabaret, Black Boy Joy Cookout, Moth Story Slam, Frederick Douglass reading, silent “Safety Last!” screening, Nature in the City Festival and much more.