"7th. The said Vice-Capellmeister shall take careful charge of all music and musical instruments, and shall be responsible for any injury that may occur to them from carelessness or neglect.
"8th. The said Joseph Heyden shall be obliged to instruct the female vocalists, in order that they may not forget in the country what they had been taught with much trouble and expense in Vienna, and, as the said Vice-Capellmeister is proficient on various instruments, he shall take care to practice himself on all that he is acquainted with.
"9th. A copy of this agreement and instructions shall be given to the said Vice-Capellmeister and to his subordinates, in order that he may be able to hold them to their obligations therein laid down.
"10th. It is considered unnecessary to detail the services required of the said Joseph Heyden more particularly, since his Serene Highness is pleased to hope that he will of his own free will strictly observe not only these regulations, but all others that may from time to time be made by his Highness, and that he will place the orchestra on such a footing, and in such good order, that he may bring honour upon himself, and deserve the further favour of the Prince, his master, who thus confides in his zeal and discretion.
"11th. A salary of four hundred florins to be received quarterly is hereby bestowed upon the said Vice-Capellmeister by his Serene Highness.
"12th. In addition, the said Joseph Heyden shall have board at the officers' table, or half a gulden a day in lieu thereof.
"13th. Finally, this agreement shall hold good for at least three years from May 1st, 1761, with the further condition that if at the conclusion of this term the said Joseph Heyden shall desire to leave the service, he shall notify his intention to his Highness half-a-year beforehand.
"14th. His Serene Highness undertakes to keep Joseph Heyden in his service during this time, and should he be satisfied with him, he may look forward to being appointed Capellmeister. This, however, must not be understood to deprive his Serene Highness of the freedom to dismiss the said Joseph Heyden at the expiration of the term, should he see fit to do so.
"Duplicate copies of this document shall be executed and exchanged.
"Given at Vienna this 1st day of May 1761,