The original music and lyrics were written by Omar Alfanno .
The Brazilian version was produced by Piska (Carlos Roberto Piazzolli), who was also responsible for much of the group's debut album. KLB - A dor desse amor
is the seminal debut single of the Brazilian pop trio KLB , released on June 1, 2000 . As the opening track of their self-titled debut album, it played a pivotal role in catapulting the brothers— Kiko, Leandro, and Bruno Scornavacca —to national stardom, defining the romantic pop landscape of the early 2000s in Brazil. Origins and Composition The original music and lyrics were written by Omar Alfanno