Local folk/pop band Summersett — aka Nick Carpenter and Patricia Summersett, backed by Pierre Gaudreault, Jean-Philippe Godbout, Sheila Hannigan and Geneviève Liboiron — launch their debut album Act One, playing two sets during 5à7 at Casa del Popolo. 4873 St-Laurent, 5 p.m., free
A new exhibit opens with a vernissage today at the Canadian Centre for Architecture (CCA). Titled The SAAL Process: Housing in Portugal 1974–1976, the show looks at the innovative SAAL project that saw citizens and teams of architects and planners working together to solve a housing crisis, with an emphasis on citizens’ right to the city. 1920 Baile, 6:30 p.m., free
If you haven’t seen Spiegelworld’s spellbinding touring variety show, Empire — an award-winning offbeat and relatively intimate circus/comedy show that takes place in a temporary big-top structure downtown — it’s on till May 24 every night but Monday. Bleury & René-Lévesque, 8 p.m., $64–$114 (more on weekends)
Tonight’s edition of NDG’s weekly comedy showcase, The Ladies & Gentlemen Comedy Show (voted #2 Best Stand-Up Comedy Night in this year’s Best of MTL readers poll), features performers Viveth BigEar Kanagaratnam, Reese Turner, Dion Owen, Jacy Lafontaine, Shawn Stenhouse and H Dot S Dot. Café Shäika (5526 Sherbrooke W.), 9 p.m., free
Check out our complete listings for more concert, nightclub, theatre, comedy and art events.