He brought them into the Holy land.
Yes -- a Hillel profile here: http://www.hillel.org/about/news/2008/sep/joshua_radin_17september2008.htm
Nope, he's not Jewish.
Synagogues do not have bells and there is no tradition of having bells at a Jewish wedding.
Joshua Bell is a violin virtuoso. He is a romantic era violin soloist and does about 260- 280 concerts a year. http://www.joshuabell.com for more information!