[2] His father, Antonio Sánchez,[3] is an AVE maintenance technician,[2] and his mother, María Mazuecos,[3] is a housewife and fond of music.

His father, who was the local football coach, tried to make him a professional player, and Antonio José was successful, becoming runner-up in national futsal competitions.

The inhabitants of his town, including the then mayor Salvador Blanco, celebrated in the streets and congratulated him on his performance in the contest.

[3] Shortly after his participation in Junior Eurovision, Antonio José published his first album, Te traigo flores, with the same name of the song he sang in the contest.

4 years later, in 2009, he published his second album, Todo vuelve a empezar (Everything starts again), with songs reflecting teenage situations in the form of rock, pop, funk or ballads.

[8] Afterwards, in 2016, Antonio José published Senti2 ("two" is pronounced in Spanish as "dos", therefore meaning "sentidos", feelings), in 2017, A un milímetro de ti (One millimeter away from you), and in 2019, Antídoto (Antidote).