SXM satellite radio has channels based on decades, and they often do top 100 countdowns for this day in that decade, and for the most part the selection is abso

SXM satellite radio has channels based on decades, and they often do top 100 countdowns for this day in that decade, and for the most part the selection is absolute crap until they get to the top 5-10. So, yeah, survivorship bias is what you are seeing here, and only the best 0.1% of songs of any decade will be played decades later.