Ab urbe condita
Titus Livius (Livy)
Livy. History of Rome, Volumes 1-2. Roberts, Canon, Rev, translator. London, New York: J. M. Dent and Sons; E. P. Dutton and Co., 1912.
The senate were alarmed at the prospect of the various religious ceremonies being thus shorn of their due ritual, and they sent envoys to Tibur, who were to make it their business to see that the Romans got these men back again.
The Tiburtines promised to do their best, and invited the musicians into the Senate-house, where they were strongly urged to return to Rome. As they could not be persuaded to do so the Tiburtines adopted a ruse quite appropriate to the character of the men they were dealing with.