We head all the way back to 1969 the Isley Brothers ... Now called Hot R&B, Hip-Hop songs is spent four weeks at the top and was their first No. 1 on any Billboard chart. Over on the Hot 100 ...

This 1969 song was the first hit by up-and ... and even cracked the Billboard Hot 100’s top 15 songs. This 2003 duet between ...