Help identifying a house electro song?

i heard this house/electro song the other day wich i really liked at the gym. i asked them but they didnt know the name . it wudnt shazam. it starts of with the sound of like a funeral bell and then continues with an amazing beat. the beat sounds similar to david guettas memories. any idea wich song it is? all help appreciated and pls dont tell me to ask them again thanx