Various, The O'Jays, Slave, Twennynine, Ashford & Simpson, George Duke, Joyce Cobb, The O'Jays, Linda Clifford, Parliament, The 9th Creation

Philadelphia Soul

Strings, vibes and a four-on-the-floor hi-hat: the soul record that quietly built the disco floor.

D.C. Go-Go

Percussion that never stops: congas, cowbell and crowd chants holding one groove across a whole night.