arranged by Alta Frecuencia
artwork Grafi-Record
tracks b4 backing vocals Guillermo Carrasco
bass Jesús Jiménez
design concept Gian Visconti
directed by Jesús Jiménez
directed by Piero Gigante
drums, percussion, backing vocals Giorgio Faieta
electric guitar, acoustic guitar Gian Visconti
executive-producer Gerardo Alquati
guitar, backing vocals Cecilio Perrozzi
keyboards Piero Gigante
tracks a2 lead vocals, backing vocals Jesús Jiménez
tracks a1, a3, a4 lead vocals, backing vocals Nelson Zuleta
tracks b1-b4 lead vocals, backing vocals Roberto Fuentes
producer Gian Visconti
producer Jesús Jiménez
recorded by, mixed by Jesús Jiménez
technician [assistant] Gian Visconti
technician [assistant] Iván Alquati
technician [assistant] Javier Alquati
Manufactured By CBS/Columbia C.A.
Recorded At Estudios Kandra
Mixed At Estudios Kandra