Ariana Grande and Nathan Sykes' track "Almost Is Never Enough" from the official THE MORTAL INSTRUMENTS: CITY OF BONES soundtrack is currently the #1 tagged song on Shazam, i.e. of all global Shazam users utilizing the app in real-time, this is currently the most popularly tagged song.
Check out the official music video featuring clips from the movie at: http://vevo.ly/g0wOqM.
Also, Shadowhunters, go get the soundtrack if they haven't already. https://itunes.apple.
com/us/album/mortal- instruments-city-bones/ id674865584