(LOS ANGELES) - Sessions at West 54th, a weekly music series showcasing acts not usually given national exposure, will premiere July 5 on public television stations nationwide. American Program Service, a Boston-based company that has produced shows featuring Ottmar Liebert and Suzanne Vega, has been given a 26-week commitment for the show. The hour-long show features a wide range of music, including Richard Thompson, Taj Mahal, Patti Smith, Sonic Youth and Philip Glass.