At least three bands have used the name Riff: 1) In Argentina, after separation of Pappo's Blues and Aeroblus, Norberto Napolitano formed a new band called Riff in 1980. They released six studio albums between 1981 and 1997 all with lyrics in Spanish. Riff was a founding stone in Argentinean/Latin American Rock and Roll. 2) American R&B band Riff reached their greatest success in 1991 with the single “My Heart is Failing Me,” which reached #25 on the Billboard Hot 100