More than 10 months after the deadliest mass shooting in modern U.S. history, police say they are closing their investigation without answering the key question: What drove a gunman to unleash a hail of gunfire that killed 58 people and wounded hundreds more?

Pop star Taylor Swift has donated several tickets to the Weymouth Police Department for her upcoming concert at Gillette Stadium.

A fun, patriotic video of two Boston Police Department officers singing “God Bless America” caught the eye of one famous musician who invited the duo on stage for his next Massachusetts stop.

Demi Lovato celebrated six years of sobriety with her followers on Twitter Thursday afternoon. The singer and songwriter thanked her family, friends and CAST centers, a mental health and wellness program organization she created to help people struggling with addiction receive treatment, for being integral to her journey and recovery.

Metallica and Dave Matthews are set to headline a wildfire relief concert in San Francisco next month. Metallica, which calls the Bay Area home, has joined with Matthews and Oakland rapper G-Eazy to form the “Band Together Bay Area” coalition to raise relief money for victims of the wildfires, which have killed more than 40 people and caused at least...

Jennifer Lopez teamed up with ex-husband Marc Anthony and boyfriend Alex Rodriguez for a benefit concert to aid victims of natural disasters in southern United States, Mexico and Puerto Rico.

“One Voice: Somos Live! A Concert for Disaster Relief” will air in Spanish simultaneously on Telemundo and Univision Saturday, Oct. 14 beginning at 8 p.m. ET/PT with NBC joining in the third hour to broadcast in English at 10 p.m. ET/PT.

Country legend singer Willie Nelson was performing in Salt Lake City and ended his show abruptly. The 84-year-old singer had a health scare due to the high altitude of the city. Concert goers say Nelson appeared to be struggling through the first half hour at the Utah venue. Nelson tweeted an apology to his fans.

“Hamilton” star Leslie Odom Jr., legendary musician Tony Bennett and internationally acclaimed Brazilian artist Sergio Mendes are a few of the artists set to perform at the San Diego Symphony’s Bayside Summer Nights 2017.

Nearby residents say the Observatory in North Park needs to do more to make sure that violent fights, like the one that happened Wednesday night on stage, don’t happen again. NBC 7’s Liberty Zabala has more.

NBC 7’s Megan Tevrizian heard expert advice on the topic from Ashley Virtue of the National Conflict Resolution Center.

Police say two are dead and two injured after a shooting outside the Toyota Oakdale Theater in Wallingford late Friday night following a Meek Mill concert.

An elderly man struck a fence, another vehicle and several pedestrian at the Irvine Meadows Amphitheatre on Saturday, Sept. 3, 2016.

Dressed in a white shirt and tie, a dancing New Jersey Gov. Chris Christie took center stage at Monday’s Bruce Springsteen concert in Brooklyn. Fellow concertgoers posted social media videos of the governor letting loose. Ian Sams summed up Christie’s night in one tweet: “the evolution of dad dancing, featuring @ChrisChristie, IRL.” Christie is seen bouncing, clapping and throwing up...

Bad news, Grateful Dead fans: overnight parking or camping will not be permitted outside Soldier Field during the band’s shows in July.

Authorities say a man fell to his death after climbing up a restricted area of a Northern California concert venue.