Growing up, Bueno worked as a paperboy at the newsstand of his grandmother, Hortensia. In 1984, he attended concerts of the local band Chébere and was occasionally invited to join them on stage. The next year, he dropped out of school and started working at his father's record shop, where he sometimes sang for the customers.
During his youth, Bueno worked as a newspaper boy for his grandmother's newsstand. He was also a fan of the local band Chébere and occasionally performed on stage with them.  He then left school to work at his father's record shop where he entertained customers with singing.