Could this be one reason tubes (and perhaps records) sound better?

Background noise causes us to focus on important noise like music.

I listen better with my wood stove hissing warmth and also with a malt in hand. First point relevant, second not so.... 

One night back when I was still playing CDs about as often as records we got to the end of one side when my wife said she was amazed how quiet it was. The record

I like the fact that every day. Is a learning day. When my girlfriend said lp was quiet and clearer I thought she meant it because her youth had crackle and scratch versions and mine was a new 180g pressing.... I'll have to carry out an experiment with her