He met soprano Cecilia Grassi in 1766 and married her shortly thereafter. During his time in Italy he converted from Lutheranism to Catholicism. He also embarked on an operatic career, with operas staged in Turin and Naples. He became an organist at a cathedral in Milan in 1760. Johann Christian Bach lived in Italy for many years starting in 1756, first studying with Padre Martini in Bologna and later with Giovanni Battista Sammartini. Even so, his father first instructed him in music until he died when Johann Christian was 15, after which he worked in Berlin with his second oldest brother Carl Philipp Emanuel Bach, considered at the time to be the most musically gifted of Bach's sons. His distinguished father was already 50 at the time of his birth, which would perhaps contribute to the sharp differences between his music and that of his father. Bach and Anna Magdalena Bach in Leipzig, Germany.
He is noted for influencing the concerto style of Mozart. He is sometimes referred to as 'the London Bach' or 'the English Bach', due to his time spent living there. Johann Christian Bach was a composer of the Classical era, the eleventh and youngest son of J.S.
Johann Christian Bach (Composer, Bach's Pupil )