You can find all kinds of trombone-related sites on this page. Click on Trombone Page of the World to find trombonists from around the world.
Artists Find out what well-known trombonists have on their web sites.
Get prices and horn specs from these sites. Suggest a link Please feel free to send any links that I have missed. I'd be happy to post them. This page is run by Robert Kehle. It contains much useful information on the alto trombone.