Willie Rosario a.k.a. "Mr. Afinque" (born May 6, 1930 in Coamo, Puerto Rico) is a musician, composer and bandleader of salsa music.

Willie Rosario Rosario (born Fernando Luis Rosario Marin) was raised in a poor but, hard working family. His parents realized that as a child Willie was musically inclined and had him take guitar lessons at the age of 6. He received his primary and secondary education in his hometown.

Read more about Willie Rosario on Last.fm.