Earl of Oxfords March Earl of Oxfords March is one of the most well known of the Fitzwilliam Virginal Book, the collection of over 300 keyboard works from the Elizabethan period of the 16th Century. Mr. Denroches excellent arrangement for standard brass quintet of 2 Trumpets in C, Horn in F, Trombone (bass clef) and Tuba is appropriate for advanced performers and is about 3 minutes in length.