The deadly shooting rampage inside an Aurora, Colo., movie theater screening the new Batman movie ‘The Dark Knight Rises’ at midnight early Friday morning has terrified the nation — and has brought a variety of reactions from various rockers and bands as they take to Twitter to send their condolences and make sense of the massacre.

The shooting left 12 movie patrons dead and wounded 59 others; police have since arrested 24-year-old James Holmes, who surrendered to authorities behind the movie theater. Since then, the heartfelt tweets have been pouring in — check out some of the first to be posted below from the likes of Moby and Kings of Leon‘s Nathan Followill, and check back later as more rockers offer their take on this terrible, senseless tragedy.