See question above. 3) In order to comply with the mitzva of Vesamachta should one carry during Chol Hamoed a recorder that plays happy Yom Tov Nigunim in his ears that make him happy?

See answers above. Horav Shlomo Miller’s opinion is that although it does not carry the power of Simcha inherent in meat and wine, one does comply with the mitzva of Vesamachta when listening to happy music. However the main emphasis should always be placed on the learning of Torah, which is not only the most important mitzva, but also the greatest source of true joy, happiness and Simcha.