[2] He held this position until his 1924 death of complications following throat surgery in Southampton Long Island.
[4] Like his father before him, Zeckwer was organist at Philadelphia's St. John the Evangelist Catholic Church.
[5] In 1909, philanthropist and musical arts patron Edwin Fleisher recruited Zeckwer to be the conductor of his newly formed amateur Symphony Club orchestra.
[7] As a composer Zeckwer was active mainly in smaller forms, producing many songs and chamber pieces; in larger forms he composed a symphonic poem, a piano concerto, an opera, and numerous cantatas.
His compositions were performed by the major orchestras throughout the United States, including in Boston, Philadelphia, and Chicago.