I think the loss of emotional content is more a function of the quality of the modern popular music art form than anything else. Even the old 78s were able to convey the emotional content of Caruso singing Verdi without problem. The tools are only the ends to the means but not the means themselves.
As Pete Townshend said, "Rock is Dead, Long Live Rock."
As Pete Townshend said, "Rock is Dead, Long Live Rock."