Joseph E. Romero, who worked as a music supervisor and editor on hundreds of television shows, died June 24 of bronchial pneumonia at St. Joseph Medical Center in Burbank. He was 73.Born in South Pasadena, Romero taught himself to play piano and harmonica while in high school and briefly studied music at USC. His entertainment career began in the 1940s as a messenger at RKO Pictures. He eventually became a music editor at the studio and in the mid-’50s moved to Revue Prods., which was bought by Universal Pictures. For U, he was music editor or supervisor for TV series such as “Alfred Hitchcock Presents,””The Jane Wyman Show” and “Wagon Train.” He is survived by his wife, Noreen, a granddaughter and a great-granddaughter.