Event Comment: This date of performance is not a certainty; for the evidence, see Spencer, Shakespeare Improved, p. 94. Neither is Shadwell's authorship of the alterations a certainty, for the contributions of other playwrights have never been fully determined. (See Nicoll, Restoration Drama, p. 43.) The instrumental music was composed by Matthew Lock, with new vocal music by James? Hart and Pietro Reggio. See Songs Set by Signior Pietro Reggio, 1680. And differing versions of the second Prologue and the second Epilogue are in BM Egerton MS. 2623, ff. 54-55. Downes (Roscius Anglicanus, pp. 34-35): The Year after in 1673. The Tempest, or the Inchanted Island, made into an Opera by Mr Shadwell, having all New in it; as Scenes, Machines; particularly, one Scene Painted with Myriads of Ariel Spirits; and another flying away, with a Table Furnisht out with Fruits, Sweetmeats and all sorts of Viands; just when Duke Trinculo and his Companions, were going to Dinner; all things Perform'd in it so Admirably well, that not any succeeding Opera got more Money