Complex sentence: She produced tunes for her own lyrics as well as those of other poets; one of the most widely published was her setting for Mary A. Lathbury's "Easter Carol" (circa 1883).
Split into simpler sentences: She produced tunes for her own lyrics as well as those of other poets. One of her most widely published tunes was her setting for Mary A. Lathbury's "Easter Carol" (circa 1883).