 The original members of the band included three teenagers and a worker from a local school . After winning a local competition in June 1968 , they recorded and released their first single , " Porque Te Quiero " , which attracted the attention of Chile 's Odeon Records representatives , urging two of the four members of the band to record an album with three other studio musicians . As a result , they recorded Porque Te Quiero in 1969 , and several chart @-@ topping singles across Latin America in the following years . 
