A virtuoso is a musician who has attained the highest level of skill at playing a specific instrument. Virtuosos can play any piece of music written for their instrument.
Vivaldi's violinconcertos were the first pieces of music written specifically for virtuosos.
... or Jordanis was a 6th century historian. He was an Ostrogoth and was a notary of Gothic kings in Italy. At the time of Justinian, he was a Christian and possibly bishop ...