![30 Years Ago, The Billboard Hot 100 Singles Were Forever Changed By Broadcast Data Systems and SoundScan – Billboard Chart Rewind 30 Years Ago, The Billboard Hot 100 Singles Were Forever Changed By Broadcast Data Systems and SoundScan – Billboard Chart Rewind](https://billboardchartrewind.files.wordpress.com/2017/09/nov-30-1991-chart2.png)
30 Years Ago, The Billboard Hot 100 Singles Were Forever Changed By Broadcast Data Systems and SoundScan – Billboard Chart Rewind
![My buddy put this together for me. It's a Top 100 of Hair Metal songs compiled by me from Billboard chart data. : r/hairmetal My buddy put this together for me. It's a Top 100 of Hair Metal songs compiled by me from Billboard chart data. : r/hairmetal](https://external-preview.redd.it/2S9fW_43WXiUiN3SJxOldmABPdHOD43iHLTm7FXcHGI.jpg?width=640&crop=smart&auto=webp&s=a3561b531aeb08ce95915b11bda38a339eefa847)
My buddy put this together for me. It's a Top 100 of Hair Metal songs compiled by me from Billboard chart data. : r/hairmetal
![EMF on Twitter: "On this date in 1991, “Unbelievable” hit #1 on the Billboard Hot 100 singles chart. #EMF #EMFTheBand #Unbelievable #Billboard #Hot100 #BillboardHot100 https://t.co/gsJbOdX7cZ" / X EMF on Twitter: "On this date in 1991, “Unbelievable” hit #1 on the Billboard Hot 100 singles chart. #EMF #EMFTheBand #Unbelievable #Billboard #Hot100 #BillboardHot100 https://t.co/gsJbOdX7cZ" / X](https://pbs.twimg.com/media/DijSz5EVQAARg9q.jpg)