Rick Derringer, the iconic guitarist and singer who gained fame with 'Hang On Sloopy' and 'Rock and Roll, Hoochie Koo,' has died at 77. His passing was confirmed by his wife and caretaker, who noted he had recently undergone surgery. Derringer's career spanned six decades, collaborating with numerous artists including Cyndi Lauper and Steely Dan. He was also known for producing 'Weird Al' Yankovic's early albums. His contributions to music left a lasting impact, and he will be remembered for his energy and talent.