Majo was appointed organista soprannumerario at the Royal chapel of Naples in May 1736. There he flourished, largely due to the favoritism given to him by Queen Maria Amalia. In 1744 he succeeded Leonardo Leo as maestro di cappella at the Royal chapel. He remained in that post through 1770. He died in Naples in 1771.
Recording
1 concerto in Neapolitan Flute Concertos, Auser Musici, Carlo Ipata, director, Hyperion CDA67784 (2010)