US Orchestras Lead Grammy Noms;
Docs save life during concert
Good Advice from Simon Rattle;
Yellowface in the Nutcracker
Domingo's 50th at Met;
Homeless Choir sings "Amahl"
Heirs Seek to Renew "Bolero" Copyright;
Musicians test high on "Fluid Intelligence"
Masur to Conduct in Milwaukee;
PubTV station launches Arts Channel