Classical music and pop are two different universes, each with its own difficulties, peculiarities, depth and artistic dignity. In Italy, I think there is a fairly clear line of demarcation, but the history of music is full of fusion. Popular and classical music have always found points of contact, of crossing, exchange, both drawing mutual profit.
Andrea BocelliTo sing a duet together means sharing with someone both the pleasure and the responsibility of making music for an audience which is there to feel enjoyment through music.
Andrea Bocelli