Mid Wales Opera is set to present a chamber arrangement of Montsalvatge’s “El Gato Con Botas” as part of its Autumn tour. The opera, which will be sung in English and retitled “Puss in Boots” will open on Oct. 14 at Gregynog Hall in Tregynon, Newtown. That will be followed up by a total of 13 performances running through Nov. {…}