Kid Cudi, Vic Mensa, Pusha T, and many more sign an open letter to Congress this week, in an attempt to curb gun violence through government action.

In addition to those mentioned above, over 150 musicians and music industry executives teamed up with Billboard to petition a change for gun purchase laws. The music giants released a 40-second video on Twitter to accompany the video, which you can see below.

The letter comes during a historic sit-in being staged at the House of Representatives by House Democrats in response to this month’s tragic shooting in Orlando, FL.

The letter states:

“As leading artists and executives in the music industry, we are adding our voices to the chorus of Americans demanding change. Music always has been celebrated communally, on dancefloors and at concert halls. But this life-affirming ritual, like so many other daily experiences—going to school or church or work—now is threatened, because of gun violence in this country.

The one thing that connects the recent tragedies in Orlando is that it is far too easy for dangerous people to get their hands on guns. We call on Congress to do more to prevent the gun violence that kills more than 90 Americans every day and injures hundreds more, including: 1. Require a background check for every gun sale. 2. Block suspected terrorists from buying guns.

Billboard and the undersigned implore you—the people who are elected to represent us—to close the deadly loopholes that put the lives of so many music fans, and all of us, at risk.

Among those who have signed the letter are Wayne Coyne, Zayn Malik, Alicia Keys, Andy Samberg, Diplo, Paul McCartney, Selena Gomez, Trent Reznor, Lady Gaga, Iggy Pop, Katy Perry, Beck, Lin-Manuel Miranda, Wilco, Ke$ha, Yoko Ono, Ringo Starr, Talib Kweli, Questlove, Sia, Courtney Love, Macklemore, Mark Ronson, and Mike D of the Beastie Boys.