[1] Born in Neumarkt-Sankt Veit, Upper Bavaria,[2] Stranz grew up in Munich, obtaining the Abitur at the Musisches Gymnasium in 1966.

[2] He studied composition with Fritz Büchtger from 1965 to 1968, who taught him music theory, forming of melodies (Melodiebildung), counterpoint, and a twelve tone system with esoteric and anthroposophical background.

[2] Bialas initiated a series Musik der Zeit (Contemporary music), which gave Stranz the opportunity of public performances.

He used this intimate approach (Innigkeit dieses Ansatzes) in the orchestral works Tachys (1974), Zeitbiegung (1977), Szenen Nr.

1 was premiered by pianist Margarita Höhenrieder, the symphony orchestra of the Bayerischer Rundfunk, conducted by Cristóbal Halffter, on 25 February 1983 in Munich in the series musica viva.