First, the artist records their album. Then a relay race ... metal copies called “stampers,” used on the pressing machine to create an actual vinyl record that can be sold.

Roberta Flack Lost Tracks LP includes the soul singer’s music that was recorded before her first album’s debut in 1969. It’s a must-have for any avid vinyl collector or Roberta Flack fan.

Vinyl enthusiasts and music fans can find a plethora of new and used records with more than 10,000 on sale at the Big Record Riot event Saturday.