Omar Enrique Alfanno Velásquez,better known as Omar Alfanno, is a Panamanian singer-songwriter of Latin music who is most active in the salsa and merengue genres. 　　Reuters noted him as "one of Latin music's premiere songwriters and the man behind countless hits". 　　He has composed for musicians like Tony Vega, Luis Enrique, Melina Leon, Jerry Rivera, Victor Manuelle, Gilberto Santa Rosa, and Marc Anthony. His most successful song, "A Puro Dolor" performed by the Son by Four, reached the Billboard Hot 100. The song was awarded a Lo Nuestro Award, the Billboard Music Award, and a Latin Grammy Award nomination in 2000. His song "Amores Como el Nuestro" — written for Jerry Rivera — was sampled by Shakira and Wyclef Jean on the 2006 song "Hips Don't Lie", as well as by Lord Tariq and Peter Gunz on the 1998 song "Deja Vu (Uptown Baby)". 　　In April 2013 he performed with many of his collaborators in a concert in Panama.