For Piedmont Piano Company’s 40th anniversary celebration, Sharmila G. Lash presents a few a cappella ensemble pieces with fellow singers Yuhi Aizawa Combatti, Shauna Fallihee, and Colby Smith, followed by solo jazz tunes accompanied by pianist Art Lande. There will be music by Duruflé, Barber, Ellington, Jobim, and others, including a couple of Sharmila’s originals.