Resource John Rimmer: O Magnum Mysterium - hardcopy SCORE Hardcopy typeset Full score × Borrow/Hire: To borrow items or hire parts please email SOUNZ directly at [email protected]. About Featuring 1 About Work O Magnum Mysterium Copyright John Rimmer Publisher note Nota Bene (out of print) / Price Milburn Music (out of print) Featuring O Magnum Mysterium for SATB choir by John Rimmer in 1967 4m