Submit events to http://wicked-somerville.eviesays.com.

Upcoming

Jazz and Blues Fest: noon-6 p.m. June 15, Nathan Tufts Park, 850 Broadway, Somerville. Free. For information: http://somervilleartscouncil.org/jazzblues/2019. The annual Jazz and Blues Fest will feature Meridian 71, an eclectic and international ensemble led by Italian drummer and composer Giuseppe Paradiso. The other bands are the Somerville High Jazz Band, Joe Bargar and the Soul Providers, the Ken Field Nonstandards, Shokazoba and B.J. Magoon and Driving Sideways.

Ongoing

Jack Attack: June 27, July 18, Sept. 22 and Oct. 5 and 11, Somerville Theatre, 55 Davis Square. Cost: $11. For information: http://somervilletheatre.com/repertory-programs. Somerville Theatre will host a retrospective on the films of Jack Nicholson, ranging from early roles to recent ones.

Memory Café hosting Dance Troupe: 10 a.m. to noon, third Friday of the month, Cambridge Citywide Senior Center, 806 Mass Ave. Free. For information and registration: 617-628-2614, ext. 607; info@eldercare.org. The Cambridge Connections Memory Café presents “Dance Me A Story,” a performance of dance, narration and song by the Back Pocket Dancers — a nine-member intergenerational dance company. Cambridge Connections is a free social gathering for people with dementia and their partners. Registration is requested, but not required. Anyone who requires personal care assistance must be accompanied by a care partner.

Not Your Father’s Improv: This improvisation group meets from 7 to 8:30 p.m. Mondays at Unity Somerville, 6 William St. A donation of $5 to the Unity Church per session is required.

Circle of Hope: 6 to 7 p.m. Mondays, Somerville Police Station, 221 Washington St. The Somerville Circle of Hope support group is for loved ones affected by addiction. For information: thecircleofhope@yahoo.com.

St. Clement Roman Catholic Church: 71 Warner St., Medford, 781-396-3922. Daily Mass, 7 a.m.; Saturday Vigil, 4 p.m.; Sunday, 7, 9 and 11 a.m.; Confessions, Saturday afternoon, 3 to 4 p.m., or by appointment.