From the 1972 T-Neck album, "Brother, Brother, Brother"
I KNOW THIS IS TAKING YOU BACK YES WAAYYYY BACK, THIS IS FROM THE 1ST SEASON (1971), SO I KNOW U FEEL IT. YOU KNOW THIS IS GOTTA ...
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Pop That Thing - The Isley Brothers from album "BROTHER, BROTHER, BROTHER" in 1972.
The Isley Brothers - Pop That Thang.