1. R.M.23.k.5/5 Reference (shelfmark): R.M.23.k.5/5 Title: Steffani (Agostino): (I Rivali Concordi) In mezzo ai terrori. Scope & Content: 5. 25 ff. Steffani (Agostino): (I Rivali Concordi) In mezzo ai terrori. Duet, with a section for 3 voices; with woodwind, strings and a bass. Collection Area: Music Collections Languages: English Date Range: 17th century-18th century Extent: 1 item, 25 ff.