As a child, Alvarado had a passion for singing and playing the piano. At age 21, he became the worship band director of Palabra En Acción. Alvarado is divorced of Patricia, with her has two sons and a daughter that reside in Canada. His son Buddy, is also a songwriter. Right now, Alvarado is remarried to Jennifer Alvarado. In 1987, Alvarado recorded his first album, "Digno de alabar". In 1993 Alvarado recorded his first "Live" album entitled "Aviva el fuego". A year later Alvarado recorded "Lion of Juda" in Spanish under Word Records, an American label. After the production of "Aviva el Fuego", Hosanna Integrity and Canzion Productions worked together with Alvarado to produce "Glorificate" and "Tu Palabra" consecutively in 1993. In 1995, Alvarado released "Hoy mas que ayer". More recent releases include "Fuego en vivo" and "Tu palabra cantaré". Considered by many to be one of the forerunners of the praise and worship movement along with Marcos Witt, Marco Barrientos, Miguel Cassina, and Danilo Montero.