On this day in Music History - July 10, 1963 Martha And The Vandellas release "Heatwave", which will reach #4 on the Billboard Pop chart, #1 on the R&B chart, and #5 on the Cashbox Best Sellers list by mid-August. The song became their first million-seller and eventually won the group their only Grammy nomination for Best R&B Vocal Performance by a Duo or Group. | Johnny Rock and Roll Radio