http://www.youtube.com/watch?v=voyIE9BYJFA&feature=youtube_gdata_player

Working on tone, phrasing, and vibrato in opening of Vivaldi double concerto.

http://www.youtube.com/watch?v=ZQSPIOSnxoA&feature=youtube_gdata_player

Exploring virtuoso tone in Vivaldi today, inspired by Zukerman