1. R.M.23.k.5/4 Reference (shelfmark): R.M.23.k.5/4 Title: Steffani (Agostino): (Orlando) O mia vita. Scope & Content: 4. 11 ff. Steffani (Agostino): (Orlando) O mia vita. Duet; with woodwind, strings and a bass. Copy. Collection Area: Music Collections Languages: English Date Range: 17th century-18th century Extent: 1 item, 11 ff.