He also studied musicology, German and philosophy at the Cologne University, promoted to PhD in 1957.
He was appointed professor in 1962, and Kirchenmusikdirektor (KMD, director of church music), in 1970.
He was director of the department of Protestant church music from 1974, succeeding Michael Schneider [de].
Stockmeier's publications are held by the German National Library.
[1] His work includes an opera on a libretto by Gabriele Wohmann), four oratorios, three symphonies, twelve organ sonatas, three piano sonatas, chamber music and motets.