Ariana Grande hosted a listening party for her upcoming single in London this week. And it sounds like it was a pretty emotional moment for fans who've been patiently awaiting new material from the "Break Free" singer.

According to the Blast, a source who was at the listening party said the song, titled "No Tears Left to Cry," was so powerful some attendees were brought to tears. Though the track isn't specifically about the 2017 Manchester Arena attack, the source told the Blast people “openly wept at how she alludes to the bombing and how incredible the song is.”

The song is set to premiere on Friday, and Grande took to social media for the first time in months to hint at its release. With a simple tweet that read "no tears left to cry," written upside down along with "4.20", it's one of the first posts the singer has made since late 2017.

The song might serve at the first single from her next studio album, which is reportedly complete and has been described as a "personal masterpiece." Last May, a suicide bomber killed 22 and injured many more at Grande's concert in Manchester, England. In its wake, the singer was devastated, immediately flying back to her family home in Boca Raton, FL and canceling the rest of her Dangerous Woman tour. She then put together the One Love Manchester benefit concert featuring acts like Stevie Wonder, Miley Cyrus, Pharrell Williams, and more soon after. 

Not much else is known about the single just yet. "No Tears Left to Cry" is set to premiere on April 20.