Nothing else matters by Metallica (slowed + reverb) 

The song "Nothing Else Matters" by Metallica is about being in a relationship where the two people involved trust each other completely, no matter the circumstances. It is about being so close that nothing else matters than the connection between them. The lyrics emphasize the idea that no matter what anyone else thinks or says, their relationship is the foundation and they will always be there for one another. The song speaks to the idea of true and unconditional love, something that can be hard to find.