Introïtus for mixed choir and wind ensemble - Vriend, Jan (Donemus, 1969)
Title from HTML t.p. (viewed Sep. 2, 2014). - Written in 1969. - 1 full score. - For mixed choir (SATB), 2 clarinets in E flat, 4 clarinets in B flat, 2 bass clarinets, and 4 trombones. - Includes performance notes in English. - Duration: c. 11:00. - "Reproduced from the composer's manuscript"--p. 1