Hit LEHM <go> on bloomberg. That is the litmus test. If you are activated for index data, then you can get it there. Otherwise, call ur sales coverage. They don't give their index data (at least constituent level) out to their mid and smaller clients, and it sure as heck aint available free via yahoo finance or anything. ML has a pretty awesome index system too, so worth checking that out as well. Muni would not be a subset of AGG, as the AGG is all taxable (99% sure).