Welcome to the happiest hour of violin talk online, with your hosts Gil Shaham and Violinist.com editor Laurie Niles. Our guests this week include:  Kelly Hall-Tompkins, an award-winning classical soloist who also was the "Fiddler" in the Broadway production of "Fiddler on the Roof" for more than 400 performances. She will perform a selection from her album, "The Fiddler Expanding Tradition."  Jasmine Li, 13, from Los Angeles, a student of Margaret Lysy at the Sol La Music Academy. She will play the first movement from Kabalevsky's Concerto in C Major Violin - accompanied by herself.  Samantha Washecka, 15, from Round Rock, Texas. She is a student of William Fedkenheuer of the Miró Quartet. She will perform "Banjo and Fiddle" by William Kroll.