In his book from 1908 Two Thousand Questions with Answers on Musical History, Biography, Form, Instrumentation, and Kindred Subjects W H Palmer says this
441. What kind of music had undivided sway in Elizabeth's reign, and what was the instrumental music of that period like ?
Vocal music; instrumental music was confined to Solo Performances and used as accompaniments to the Voice.
442. When did a great change thus take place, and what did Morley and Holborne do ?
In 1599. Morley printed a first book of Consort lessons for 6 instruments to play together, Anthony Holborne a collection of Pavans, Galliards and airs in 5 parts.
443. How were these works arranged for instruments?
Morley's for Treble Lute, Pandora, Cittern, English Flute, Treble, and Bass Viol; Holborne's for Viols, Violins, or for wind instruments.